Home / 905,593.29-1,249,693.34-497,694.97

Finding the Fourth Proportional to 905,593.29, 1,249,693.34 and 497,694.97

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Solution

The fourth proportional to 905,593.29, 1,249,693.34 and 497,694.97 is: 686,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,593.29 : 1,249,693.34 = 497,694.97 : x
  2. Step 2: Convert to fraction form
    905,593.29/1,249,693.34 = 497,694.97/x
  3. Step 3: Cross multiply
    905,593.29x = 1,249,693.34 × 497,694.97
  4. Step 4: Simplify right side
    905,593.29x = 621,966,089,360.50
  5. Step 5: Solve for x
    x = 621,966,089,360.50/905,593.29
  6. Step 6: Final answer
    x = 686,805.10

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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.