Home / 976,721.90-1,347,812.04-546,903.50

Finding the Fourth Proportional to 976,721.90, 1,347,812.04 and 546,903.50

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Solution

The fourth proportional to 976,721.90, 1,347,812.04 and 546,903.50 is: 754,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,721.90 : 1,347,812.04 = 546,903.50 : x
  2. Step 2: Convert to fraction form
    976,721.90/1,347,812.04 = 546,903.50/x
  3. Step 3: Cross multiply
    976,721.90x = 1,347,812.04 × 546,903.50
  4. Step 4: Simplify right side
    976,721.90x = 737,123,122,018.14
  5. Step 5: Solve for x
    x = 737,123,122,018.14/976,721.90
  6. Step 6: Final answer
    x = 754,690.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.