Home / 1,002,086.40-1,502,983.80-292,040.40

Finding the Fourth Proportional to 1,002,086.40, 1,502,983.80 and 292,040.40

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Solution

The fourth proportional to 1,002,086.40, 1,502,983.80 and 292,040.40 is: 438,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,086.40 : 1,502,983.80 = 292,040.40 : x
  2. Step 2: Convert to fraction form
    1,002,086.40/1,502,983.80 = 292,040.40/x
  3. Step 3: Cross multiply
    1,002,086.40x = 1,502,983.80 × 292,040.40
  4. Step 4: Simplify right side
    1,002,086.40x = 438,931,990,145.52
  5. Step 5: Solve for x
    x = 438,931,990,145.52/1,002,086.40
  6. Step 6: Final answer
    x = 438,018.11

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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.