Home / 1,316,563.61-1,976,420.05-784,335.29

Finding the Fourth Proportional to 1,316,563.61, 1,976,420.05 and 784,335.29

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Solution

The fourth proportional to 1,316,563.61, 1,976,420.05 and 784,335.29 is: 1,177,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,563.61 : 1,976,420.05 = 784,335.29 : x
  2. Step 2: Convert to fraction form
    1,316,563.61/1,976,420.05 = 784,335.29/x
  3. Step 3: Cross multiply
    1,316,563.61x = 1,976,420.05 × 784,335.29
  4. Step 4: Simplify right side
    1,316,563.61x = 1,550,175,981,235.63
  5. Step 5: Solve for x
    x = 1,550,175,981,235.63/1,316,563.61
  6. Step 6: Final answer
    x = 1,177,441.01

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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.