Home / 908,717.40-1,363,076.10-554,423.40

Finding the Fourth Proportional to 908,717.40, 1,363,076.10 and 554,423.40

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Solution

The fourth proportional to 908,717.40, 1,363,076.10 and 554,423.40 is: 831,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,717.40 : 1,363,076.10 = 554,423.40 : x
  2. Step 2: Convert to fraction form
    908,717.40/1,363,076.10 = 554,423.40/x
  3. Step 3: Cross multiply
    908,717.40x = 1,363,076.10 × 554,423.40
  4. Step 4: Simplify right side
    908,717.40x = 755,721,285,820.74
  5. Step 5: Solve for x
    x = 755,721,285,820.74/908,717.40
  6. Step 6: Final answer
    x = 831,635.10

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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.