Home / 992,751.40-1,489,127.10-614,837.80

Finding the Fourth Proportional to 992,751.40, 1,489,127.10 and 614,837.80

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Solution

The fourth proportional to 992,751.40, 1,489,127.10 and 614,837.80 is: 922,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,751.40 : 1,489,127.10 = 614,837.80 : x
  2. Step 2: Convert to fraction form
    992,751.40/1,489,127.10 = 614,837.80/x
  3. Step 3: Cross multiply
    992,751.40x = 1,489,127.10 × 614,837.80
  4. Step 4: Simplify right side
    992,751.40x = 915,571,630,084.38
  5. Step 5: Solve for x
    x = 915,571,630,084.38/992,751.40
  6. Step 6: Final answer
    x = 922,256.70

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1.5x scale

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.