Home / 878,851.03-1,212,823.98-516,290.17

Finding the Fourth Proportional to 878,851.03, 1,212,823.98 and 516,290.17

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Solution

The fourth proportional to 878,851.03, 1,212,823.98 and 516,290.17 is: 712,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,851.03 : 1,212,823.98 = 516,290.17 : x
  2. Step 2: Convert to fraction form
    878,851.03/1,212,823.98 = 516,290.17/x
  3. Step 3: Cross multiply
    878,851.03x = 1,212,823.98 × 516,290.17
  4. Step 4: Simplify right side
    878,851.03x = 626,169,098,814.28
  5. Step 5: Solve for x
    x = 626,169,098,814.28/878,851.03
  6. Step 6: Final answer
    x = 712,486.05

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1.5x scale

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.