Home / 688,617.20-1,032,925.80-239,188.70

Finding the Fourth Proportional to 688,617.20, 1,032,925.80 and 239,188.70

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Solution

The fourth proportional to 688,617.20, 1,032,925.80 and 239,188.70 is: 358,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,617.20 : 1,032,925.80 = 239,188.70 : x
  2. Step 2: Convert to fraction form
    688,617.20/1,032,925.80 = 239,188.70/x
  3. Step 3: Cross multiply
    688,617.20x = 1,032,925.80 × 239,188.70
  4. Step 4: Simplify right side
    688,617.20x = 247,064,179,298.46
  5. Step 5: Solve for x
    x = 247,064,179,298.46/688,617.20
  6. Step 6: Final answer
    x = 358,783.05

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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.