Home / 742,217.61-1,023,628.55-516,402.57

Finding the Fourth Proportional to 742,217.61, 1,023,628.55 and 516,402.57

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Solution

The fourth proportional to 742,217.61, 1,023,628.55 and 516,402.57 is: 712,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,217.61 : 1,023,628.55 = 516,402.57 : x
  2. Step 2: Convert to fraction form
    742,217.61/1,023,628.55 = 516,402.57/x
  3. Step 3: Cross multiply
    742,217.61x = 1,023,628.55 × 516,402.57
  4. Step 4: Simplify right side
    742,217.61x = 528,604,411,363.36
  5. Step 5: Solve for x
    x = 528,604,411,363.36/742,217.61
  6. Step 6: Final answer
    x = 712,196.00

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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.