Home / 985,788.20-1,360,387.77-533,079.20

Finding the Fourth Proportional to 985,788.20, 1,360,387.77 and 533,079.20

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Solution

The fourth proportional to 985,788.20, 1,360,387.77 and 533,079.20 is: 735,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,788.20 : 1,360,387.77 = 533,079.20 : x
  2. Step 2: Convert to fraction form
    985,788.20/1,360,387.77 = 533,079.20/x
  3. Step 3: Cross multiply
    985,788.20x = 1,360,387.77 × 533,079.20
  4. Step 4: Simplify right side
    985,788.20x = 725,194,417,319.45
  5. Step 5: Solve for x
    x = 725,194,417,319.45/985,788.20
  6. Step 6: Final answer
    x = 735,649.32

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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.