Home / 792,340.80-1,186,688.70-650,623.20

Finding the Fourth Proportional to 792,340.80, 1,186,688.70 and 650,623.20

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Solution

The fourth proportional to 792,340.80, 1,186,688.70 and 650,623.20 is: 974,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,340.80 : 1,186,688.70 = 650,623.20 : x
  2. Step 2: Convert to fraction form
    792,340.80/1,186,688.70 = 650,623.20/x
  3. Step 3: Cross multiply
    792,340.80x = 1,186,688.70 × 650,623.20
  4. Step 4: Simplify right side
    792,340.80x = 772,087,199,397.84
  5. Step 5: Solve for x
    x = 772,087,199,397.84/792,340.80
  6. Step 6: Final answer
    x = 974,438.27

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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.