Home / 936,520.05-1,292,397.66-506,800.17

Finding the Fourth Proportional to 936,520.05, 1,292,397.66 and 506,800.17

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Solution

The fourth proportional to 936,520.05, 1,292,397.66 and 506,800.17 is: 699,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,520.05 : 1,292,397.66 = 506,800.17 : x
  2. Step 2: Convert to fraction form
    936,520.05/1,292,397.66 = 506,800.17/x
  3. Step 3: Cross multiply
    936,520.05x = 1,292,397.66 × 506,800.17
  4. Step 4: Simplify right side
    936,520.05x = 654,987,353,795.60
  5. Step 5: Solve for x
    x = 654,987,353,795.60/936,520.05
  6. Step 6: Final answer
    x = 699,384.23

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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.