Home / 674,953.60-1,012,430.40-619,841.20

Finding the Fourth Proportional to 674,953.60, 1,012,430.40 and 619,841.20

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Solution

The fourth proportional to 674,953.60, 1,012,430.40 and 619,841.20 is: 929,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,953.60 : 1,012,430.40 = 619,841.20 : x
  2. Step 2: Convert to fraction form
    674,953.60/1,012,430.40 = 619,841.20/x
  3. Step 3: Cross multiply
    674,953.60x = 1,012,430.40 × 619,841.20
  4. Step 4: Simplify right side
    674,953.60x = 627,546,074,052.48
  5. Step 5: Solve for x
    x = 627,546,074,052.48/674,953.60
  6. Step 6: Final answer
    x = 929,761.80

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1.5x scale

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.