Home / 928,000.90-1,392,001.35-657,396.10

Finding the Fourth Proportional to 928,000.90, 1,392,001.35 and 657,396.10

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Solution

The fourth proportional to 928,000.90, 1,392,001.35 and 657,396.10 is: 986,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,000.90 : 1,392,001.35 = 657,396.10 : x
  2. Step 2: Convert to fraction form
    928,000.90/1,392,001.35 = 657,396.10/x
  3. Step 3: Cross multiply
    928,000.90x = 1,392,001.35 × 657,396.10
  4. Step 4: Simplify right side
    928,000.90x = 915,096,258,684.74
  5. Step 5: Solve for x
    x = 915,096,258,684.74/928,000.90
  6. Step 6: Final answer
    x = 986,094.15

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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.