Home / 1,159,407.20-1,598,132.88-913,991.84

Finding the Fourth Proportional to 1,159,407.20, 1,598,132.88 and 913,991.84

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Solution

The fourth proportional to 1,159,407.20, 1,598,132.88 and 913,991.84 is: 1,259,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,407.20 : 1,598,132.88 = 913,991.84 : x
  2. Step 2: Convert to fraction form
    1,159,407.20/1,598,132.88 = 913,991.84/x
  3. Step 3: Cross multiply
    1,159,407.20x = 1,598,132.88 × 913,991.84
  4. Step 4: Simplify right side
    1,159,407.20x = 1,460,680,411,555.70
  5. Step 5: Solve for x
    x = 1,460,680,411,555.70/1,159,407.20
  6. Step 6: Final answer
    x = 1,259,851.08

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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.