Home / 1,048,681.82-1,572,026.13-668,535.66

Finding the Fourth Proportional to 1,048,681.82, 1,572,026.13 and 668,535.66

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Solution

The fourth proportional to 1,048,681.82, 1,572,026.13 and 668,535.66 is: 1,002,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,681.82 : 1,572,026.13 = 668,535.66 : x
  2. Step 2: Convert to fraction form
    1,048,681.82/1,572,026.13 = 668,535.66/x
  3. Step 3: Cross multiply
    1,048,681.82x = 1,572,026.13 × 668,535.66
  4. Step 4: Simplify right side
    1,048,681.82x = 1,050,955,526,356.80
  5. Step 5: Solve for x
    x = 1,050,955,526,356.80/1,048,681.82
  6. Step 6: Final answer
    x = 1,002,168.15

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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.