Home / 873,641.24-1,205,425.50-491,528.60

Finding the Fourth Proportional to 873,641.24, 1,205,425.50 and 491,528.60

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Solution

The fourth proportional to 873,641.24, 1,205,425.50 and 491,528.60 is: 678,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,641.24 : 1,205,425.50 = 491,528.60 : x
  2. Step 2: Convert to fraction form
    873,641.24/1,205,425.50 = 491,528.60/x
  3. Step 3: Cross multiply
    873,641.24x = 1,205,425.50 × 491,528.60
  4. Step 4: Simplify right side
    873,641.24x = 592,501,108,419.30
  5. Step 5: Solve for x
    x = 592,501,108,419.30/873,641.24
  6. Step 6: Final answer
    x = 678,197.28

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Half scale
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Double scale
Find fourth proportional to 873,642.24, 1,205,426.88 and 491,529.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.