Home / 712,223.70-1,068,335.55-238,794.90

Finding the Fourth Proportional to 712,223.70, 1,068,335.55 and 238,794.90

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Solution

The fourth proportional to 712,223.70, 1,068,335.55 and 238,794.90 is: 358,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,223.70 : 1,068,335.55 = 238,794.90 : x
  2. Step 2: Convert to fraction form
    712,223.70/1,068,335.55 = 238,794.90/x
  3. Step 3: Cross multiply
    712,223.70x = 1,068,335.55 × 238,794.90
  4. Step 4: Simplify right side
    712,223.70x = 255,113,080,828.70
  5. Step 5: Solve for x
    x = 255,113,080,828.70/712,223.70
  6. Step 6: Final answer
    x = 358,192.35

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Double scale
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Similar ratio
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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.