Home / 1,191,041.60-1,786,838.74-392,294.48

Finding the Fourth Proportional to 1,191,041.60, 1,786,838.74 and 392,294.48

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Solution

The fourth proportional to 1,191,041.60, 1,786,838.74 and 392,294.48 is: 588,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,041.60 : 1,786,838.74 = 392,294.48 : x
  2. Step 2: Convert to fraction form
    1,191,041.60/1,786,838.74 = 392,294.48/x
  3. Step 3: Cross multiply
    1,191,041.60x = 1,786,838.74 × 392,294.48
  4. Step 4: Simplify right side
    1,191,041.60x = 700,966,974,352.16
  5. Step 5: Solve for x
    x = 700,966,974,352.16/1,191,041.60
  6. Step 6: Final answer
    x = 588,532.74

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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.