Home / 1,057,781.60-1,586,510.40-347,811.20

Finding the Fourth Proportional to 1,057,781.60, 1,586,510.40 and 347,811.20

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Solution

The fourth proportional to 1,057,781.60, 1,586,510.40 and 347,811.20 is: 521,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,781.60 : 1,586,510.40 = 347,811.20 : x
  2. Step 2: Convert to fraction form
    1,057,781.60/1,586,510.40 = 347,811.20/x
  3. Step 3: Cross multiply
    1,057,781.60x = 1,586,510.40 × 347,811.20
  4. Step 4: Simplify right side
    1,057,781.60x = 551,806,086,036.48
  5. Step 5: Solve for x
    x = 551,806,086,036.48/1,057,781.60
  6. Step 6: Final answer
    x = 521,663.53

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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.