Home / 651,623.70-976,123.35-452,169.30

Finding the Fourth Proportional to 651,623.70, 976,123.35 and 452,169.30

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Solution

The fourth proportional to 651,623.70, 976,123.35 and 452,169.30 is: 677,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.70 : 976,123.35 = 452,169.30 : x
  2. Step 2: Convert to fraction form
    651,623.70/976,123.35 = 452,169.30/x
  3. Step 3: Cross multiply
    651,623.70x = 976,123.35 × 452,169.30
  4. Step 4: Simplify right side
    651,623.70x = 441,373,011,883.16
  5. Step 5: Solve for x
    x = 441,373,011,883.16/651,623.70
  6. Step 6: Final answer
    x = 677,343.40

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Double scale
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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.