Home / 1,087,229.71-1,501,127.60-679,514.81

Finding the Fourth Proportional to 1,087,229.71, 1,501,127.60 and 679,514.81

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Solution

The fourth proportional to 1,087,229.71, 1,501,127.60 and 679,514.81 is: 938,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,229.71 : 1,501,127.60 = 679,514.81 : x
  2. Step 2: Convert to fraction form
    1,087,229.71/1,501,127.60 = 679,514.81/x
  3. Step 3: Cross multiply
    1,087,229.71x = 1,501,127.60 × 679,514.81
  4. Step 4: Simplify right side
    1,087,229.71x = 1,020,038,436,255.00
  5. Step 5: Solve for x
    x = 1,020,038,436,255.00/1,087,229.71
  6. Step 6: Final answer
    x = 938,199.56

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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.