Home / 1,313,632-1,812,811.68-710,020

Finding the Fourth Proportional to 1,313,632, 1,812,811.68 and 710,020

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Solution

The fourth proportional to 1,313,632, 1,812,811.68 and 710,020 is: 979,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,632 : 1,812,811.68 = 710,020 : x
  2. Step 2: Convert to fraction form
    1,313,632/1,812,811.68 = 710,020/x
  3. Step 3: Cross multiply
    1,313,632x = 1,812,811.68 × 710,020
  4. Step 4: Simplify right side
    1,313,632x = 1,287,132,549,033.60
  5. Step 5: Solve for x
    x = 1,287,132,549,033.60/1,313,632
  6. Step 6: Final answer
    x = 979,827.34

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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.