Home / 1,065,387.60-1,598,081.40-781,952.40

Finding the Fourth Proportional to 1,065,387.60, 1,598,081.40 and 781,952.40

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Solution

The fourth proportional to 1,065,387.60, 1,598,081.40 and 781,952.40 is: 1,172,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,387.60 : 1,598,081.40 = 781,952.40 : x
  2. Step 2: Convert to fraction form
    1,065,387.60/1,598,081.40 = 781,952.40/x
  3. Step 3: Cross multiply
    1,065,387.60x = 1,598,081.40 × 781,952.40
  4. Step 4: Simplify right side
    1,065,387.60x = 1,249,623,586,125.36
  5. Step 5: Solve for x
    x = 1,249,623,586,125.36/1,065,387.60
  6. Step 6: Final answer
    x = 1,172,928.60

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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.