Home / 1,038,278.64-1,432,824.81-573,132.80

Finding the Fourth Proportional to 1,038,278.64, 1,432,824.81 and 573,132.80

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Solution

The fourth proportional to 1,038,278.64, 1,432,824.81 and 573,132.80 is: 790,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,278.64 : 1,432,824.81 = 573,132.80 : x
  2. Step 2: Convert to fraction form
    1,038,278.64/1,432,824.81 = 573,132.80/x
  3. Step 3: Cross multiply
    1,038,278.64x = 1,432,824.81 × 573,132.80
  4. Step 4: Simplify right side
    1,038,278.64x = 821,198,895,264.77
  5. Step 5: Solve for x
    x = 821,198,895,264.77/1,038,278.64
  6. Step 6: Final answer
    x = 790,923.42

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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.