Home / 935,875.28-1,291,507.84-506,155.40

Finding the Fourth Proportional to 935,875.28, 1,291,507.84 and 506,155.40

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Solution

The fourth proportional to 935,875.28, 1,291,507.84 and 506,155.40 is: 698,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,875.28 : 1,291,507.84 = 506,155.40 : x
  2. Step 2: Convert to fraction form
    935,875.28/1,291,507.84 = 506,155.40/x
  3. Step 3: Cross multiply
    935,875.28x = 1,291,507.84 × 506,155.40
  4. Step 4: Simplify right side
    935,875.28x = 653,703,667,358.34
  5. Step 5: Solve for x
    x = 653,703,667,358.34/935,875.28
  6. Step 6: Final answer
    x = 698,494.43

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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.