Home / 452,953.40-679,430.10-243,001.40

Finding the Fourth Proportional to 452,953.40, 679,430.10 and 243,001.40

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Solution

The fourth proportional to 452,953.40, 679,430.10 and 243,001.40 is: 364,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,953.40 : 679,430.10 = 243,001.40 : x
  2. Step 2: Convert to fraction form
    452,953.40/679,430.10 = 243,001.40/x
  3. Step 3: Cross multiply
    452,953.40x = 679,430.10 × 243,001.40
  4. Step 4: Simplify right side
    452,953.40x = 165,102,465,502.14
  5. Step 5: Solve for x
    x = 165,102,465,502.14/452,953.40
  6. Step 6: Final answer
    x = 364,502.10

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Similar ratio
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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.