Home / 762,437.64-1,052,156.28-422,897.16

Finding the Fourth Proportional to 762,437.64, 1,052,156.28 and 422,897.16

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Solution

The fourth proportional to 762,437.64, 1,052,156.28 and 422,897.16 is: 583,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,437.64 : 1,052,156.28 = 422,897.16 : x
  2. Step 2: Convert to fraction form
    762,437.64/1,052,156.28 = 422,897.16/x
  3. Step 3: Cross multiply
    762,437.64x = 1,052,156.28 × 422,897.16
  4. Step 4: Simplify right side
    762,437.64x = 444,953,902,688.17
  5. Step 5: Solve for x
    x = 444,953,902,688.17/762,437.64
  6. Step 6: Final answer
    x = 583,593.83

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Double scale
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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.