Home / 873,616.01-1,205,390.63-491,503.37

Finding the Fourth Proportional to 873,616.01, 1,205,390.63 and 491,503.37

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Solution

The fourth proportional to 873,616.01, 1,205,390.63 and 491,503.37 is: 678,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,616.01 : 1,205,390.63 = 491,503.37 : x
  2. Step 2: Convert to fraction form
    873,616.01/1,205,390.63 = 491,503.37/x
  3. Step 3: Cross multiply
    873,616.01x = 1,205,390.63 × 491,503.37
  4. Step 4: Simplify right side
    873,616.01x = 592,453,552,013.23
  5. Step 5: Solve for x
    x = 592,453,552,013.23/873,616.01
  6. Step 6: Final answer
    x = 678,162.43

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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.