Home / 730,869.68-1,008,614.22-408,603.08

Finding the Fourth Proportional to 730,869.68, 1,008,614.22 and 408,603.08

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Solution

The fourth proportional to 730,869.68, 1,008,614.22 and 408,603.08 is: 563,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,869.68 : 1,008,614.22 = 408,603.08 : x
  2. Step 2: Convert to fraction form
    730,869.68/1,008,614.22 = 408,603.08/x
  3. Step 3: Cross multiply
    730,869.68x = 1,008,614.22 × 408,603.08
  4. Step 4: Simplify right side
    730,869.68x = 412,122,876,823.80
  5. Step 5: Solve for x
    x = 412,122,876,823.80/730,869.68
  6. Step 6: Final answer
    x = 563,880.11

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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.