Home / 714,526.55-986,021.13-404,422.48

Finding the Fourth Proportional to 714,526.55, 986,021.13 and 404,422.48

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Solution

The fourth proportional to 714,526.55, 986,021.13 and 404,422.48 is: 558,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,526.55 : 986,021.13 = 404,422.48 : x
  2. Step 2: Convert to fraction form
    714,526.55/986,021.13 = 404,422.48/x
  3. Step 3: Cross multiply
    714,526.55x = 986,021.13 × 404,422.48
  4. Step 4: Simplify right side
    714,526.55x = 398,769,107,290.61
  5. Step 5: Solve for x
    x = 398,769,107,290.61/714,526.55
  6. Step 6: Final answer
    x = 558,088.58

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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.