Home / 712,938.60-1,069,569.90-239,671.80

Finding the Fourth Proportional to 712,938.60, 1,069,569.90 and 239,671.80

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Solution

The fourth proportional to 712,938.60, 1,069,569.90 and 239,671.80 is: 359,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,938.60 : 1,069,569.90 = 239,671.80 : x
  2. Step 2: Convert to fraction form
    712,938.60/1,069,569.90 = 239,671.80/x
  3. Step 3: Cross multiply
    712,938.60x = 1,069,569.90 × 239,671.80
  4. Step 4: Simplify right side
    712,938.60x = 256,345,743,158.82
  5. Step 5: Solve for x
    x = 256,345,743,158.82/712,938.60
  6. Step 6: Final answer
    x = 359,562.16

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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.