Home / 953,612.82-1,316,008.89-523,920.78

Finding the Fourth Proportional to 953,612.82, 1,316,008.89 and 523,920.78

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Solution

The fourth proportional to 953,612.82, 1,316,008.89 and 523,920.78 is: 723,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,612.82 : 1,316,008.89 = 523,920.78 : x
  2. Step 2: Convert to fraction form
    953,612.82/1,316,008.89 = 523,920.78/x
  3. Step 3: Cross multiply
    953,612.82x = 1,316,008.89 × 523,920.78
  4. Step 4: Simplify right side
    953,612.82x = 689,484,404,135.73
  5. Step 5: Solve for x
    x = 689,484,404,135.73/953,612.82
  6. Step 6: Final answer
    x = 723,023.42

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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.