Home / 961,569.05-1,327,031.45-553,778.28

Finding the Fourth Proportional to 961,569.05, 1,327,031.45 and 553,778.28

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Solution

The fourth proportional to 961,569.05, 1,327,031.45 and 553,778.28 is: 764,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,569.05 : 1,327,031.45 = 553,778.28 : x
  2. Step 2: Convert to fraction form
    961,569.05/1,327,031.45 = 553,778.28/x
  3. Step 3: Cross multiply
    961,569.05x = 1,327,031.45 × 553,778.28
  4. Step 4: Simplify right side
    961,569.05x = 734,881,191,118.02
  5. Step 5: Solve for x
    x = 734,881,191,118.02/961,569.05
  6. Step 6: Final answer
    x = 764,252.13

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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.