Home / 716,443.20-1,074,664.80-506,491.20

Finding the Fourth Proportional to 716,443.20, 1,074,664.80 and 506,491.20

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Solution

The fourth proportional to 716,443.20, 1,074,664.80 and 506,491.20 is: 759,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,443.20 : 1,074,664.80 = 506,491.20 : x
  2. Step 2: Convert to fraction form
    716,443.20/1,074,664.80 = 506,491.20/x
  3. Step 3: Cross multiply
    716,443.20x = 1,074,664.80 × 506,491.20
  4. Step 4: Simplify right side
    716,443.20x = 544,308,264,149.76
  5. Step 5: Solve for x
    x = 544,308,264,149.76/716,443.20
  6. Step 6: Final answer
    x = 759,736.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.