Home / 986,430.74-1,361,128.47-599,044.70

Finding the Fourth Proportional to 986,430.74, 1,361,128.47 and 599,044.70

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Solution

The fourth proportional to 986,430.74, 1,361,128.47 and 599,044.70 is: 826,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,430.74 : 1,361,128.47 = 599,044.70 : x
  2. Step 2: Convert to fraction form
    986,430.74/1,361,128.47 = 599,044.70/x
  3. Step 3: Cross multiply
    986,430.74x = 1,361,128.47 × 599,044.70
  4. Step 4: Simplify right side
    986,430.74x = 815,376,795,972.61
  5. Step 5: Solve for x
    x = 815,376,795,972.61/986,430.74
  6. Step 6: Final answer
    x = 826,593.05

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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.