Home / 876,342.40-1,314,513.60-497,116.60

Finding the Fourth Proportional to 876,342.40, 1,314,513.60 and 497,116.60

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Solution

The fourth proportional to 876,342.40, 1,314,513.60 and 497,116.60 is: 745,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,342.40 : 1,314,513.60 = 497,116.60 : x
  2. Step 2: Convert to fraction form
    876,342.40/1,314,513.60 = 497,116.60/x
  3. Step 3: Cross multiply
    876,342.40x = 1,314,513.60 × 497,116.60
  4. Step 4: Simplify right side
    876,342.40x = 653,466,531,485.76
  5. Step 5: Solve for x
    x = 653,466,531,485.76/876,342.40
  6. Step 6: Final answer
    x = 745,674.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.