Home / 913,439.61-1,260,239.40-531,152.01

Finding the Fourth Proportional to 913,439.61, 1,260,239.40 and 531,152.01

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Solution

The fourth proportional to 913,439.61, 1,260,239.40 and 531,152.01 is: 732,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,439.61 : 1,260,239.40 = 531,152.01 : x
  2. Step 2: Convert to fraction form
    913,439.61/1,260,239.40 = 531,152.01/x
  3. Step 3: Cross multiply
    913,439.61x = 1,260,239.40 × 531,152.01
  4. Step 4: Simplify right side
    913,439.61x = 669,378,690,391.19
  5. Step 5: Solve for x
    x = 669,378,690,391.19/913,439.61
  6. Step 6: Final answer
    x = 732,811.11

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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.