Home / 1,144,011.88-1,578,732-627,774.40

Finding the Fourth Proportional to 1,144,011.88, 1,578,732 and 627,774.40

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Solution

The fourth proportional to 1,144,011.88, 1,578,732 and 627,774.40 is: 866,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,011.88 : 1,578,732 = 627,774.40 : x
  2. Step 2: Convert to fraction form
    1,144,011.88/1,578,732 = 627,774.40/x
  3. Step 3: Cross multiply
    1,144,011.88x = 1,578,732 × 627,774.40
  4. Step 4: Simplify right side
    1,144,011.88x = 991,087,534,060.80
  5. Step 5: Solve for x
    x = 991,087,534,060.80/1,144,011.88
  6. Step 6: Final answer
    x = 866,326.26

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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.