Home / 688,509.60-1,032,764.40-239,737.20

Finding the Fourth Proportional to 688,509.60, 1,032,764.40 and 239,737.20

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Solution

The fourth proportional to 688,509.60, 1,032,764.40 and 239,737.20 is: 359,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,509.60 : 1,032,764.40 = 239,737.20 : x
  2. Step 2: Convert to fraction form
    688,509.60/1,032,764.40 = 239,737.20/x
  3. Step 3: Cross multiply
    688,509.60x = 1,032,764.40 × 239,737.20
  4. Step 4: Simplify right side
    688,509.60x = 247,592,045,515.68
  5. Step 5: Solve for x
    x = 247,592,045,515.68/688,509.60
  6. Step 6: Final answer
    x = 359,605.80

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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.