Home / 1,017,158.89-1,403,681.02-558,276.48

Finding the Fourth Proportional to 1,017,158.89, 1,403,681.02 and 558,276.48

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Solution

The fourth proportional to 1,017,158.89, 1,403,681.02 and 558,276.48 is: 770,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,158.89 : 1,403,681.02 = 558,276.48 : x
  2. Step 2: Convert to fraction form
    1,017,158.89/1,403,681.02 = 558,276.48/x
  3. Step 3: Cross multiply
    1,017,158.89x = 1,403,681.02 × 558,276.48
  4. Step 4: Simplify right side
    1,017,158.89x = 783,642,098,888.41
  5. Step 5: Solve for x
    x = 783,642,098,888.41/1,017,158.89
  6. Step 6: Final answer
    x = 770,422.50

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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.