Home / 1,143,862.16-1,578,531.65-634,564.53

Finding the Fourth Proportional to 1,143,862.16, 1,578,531.65 and 634,564.53

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Solution

The fourth proportional to 1,143,862.16, 1,578,531.65 and 634,564.53 is: 875,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,862.16 : 1,578,531.65 = 634,564.53 : x
  2. Step 2: Convert to fraction form
    1,143,862.16/1,578,531.65 = 634,564.53/x
  3. Step 3: Cross multiply
    1,143,862.16x = 1,578,531.65 × 634,564.53
  4. Step 4: Simplify right side
    1,143,862.16x = 1,001,680,191,399.55
  5. Step 5: Solve for x
    x = 1,001,680,191,399.55/1,143,862.16
  6. Step 6: Final answer
    x = 875,700.09

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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.