Home / 651,401.04-977,103.76-230,689.20

Finding the Fourth Proportional to 651,401.04, 977,103.76 and 230,689.20

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Solution

The fourth proportional to 651,401.04, 977,103.76 and 230,689.20 is: 346,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,401.04 : 977,103.76 = 230,689.20 : x
  2. Step 2: Convert to fraction form
    651,401.04/977,103.76 = 230,689.20/x
  3. Step 3: Cross multiply
    651,401.04x = 977,103.76 × 230,689.20
  4. Step 4: Simplify right side
    651,401.04x = 225,407,284,711.39
  5. Step 5: Solve for x
    x = 225,407,284,711.39/651,401.04
  6. Step 6: Final answer
    x = 346,034.58

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Half scale
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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.