Home / 887,257.10-1,330,885.65-651,061.10

Finding the Fourth Proportional to 887,257.10, 1,330,885.65 and 651,061.10

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Solution

The fourth proportional to 887,257.10, 1,330,885.65 and 651,061.10 is: 976,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,257.10 : 1,330,885.65 = 651,061.10 : x
  2. Step 2: Convert to fraction form
    887,257.10/1,330,885.65 = 651,061.10/x
  3. Step 3: Cross multiply
    887,257.10x = 1,330,885.65 × 651,061.10
  4. Step 4: Simplify right side
    887,257.10x = 866,487,875,263.22
  5. Step 5: Solve for x
    x = 866,487,875,263.22/887,257.10
  6. Step 6: Final answer
    x = 976,591.65

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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.