Home / 936,520.56-1,292,398.36-506,800.68

Finding the Fourth Proportional to 936,520.56, 1,292,398.36 and 506,800.68

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Solution

The fourth proportional to 936,520.56, 1,292,398.36 and 506,800.68 is: 699,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,520.56 : 1,292,398.36 = 506,800.68 : x
  2. Step 2: Convert to fraction form
    936,520.56/1,292,398.36 = 506,800.68/x
  3. Step 3: Cross multiply
    936,520.56x = 1,292,398.36 × 506,800.68
  4. Step 4: Simplify right side
    936,520.56x = 654,988,367,678.89
  5. Step 5: Solve for x
    x = 654,988,367,678.89/936,520.56
  6. Step 6: Final answer
    x = 699,384.93

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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.