Home / 880,947.60-1,321,421.40-874,726.80

Finding the Fourth Proportional to 880,947.60, 1,321,421.40 and 874,726.80

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Solution

The fourth proportional to 880,947.60, 1,321,421.40 and 874,726.80 is: 1,312,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,947.60 : 1,321,421.40 = 874,726.80 : x
  2. Step 2: Convert to fraction form
    880,947.60/1,321,421.40 = 874,726.80/x
  3. Step 3: Cross multiply
    880,947.60x = 1,321,421.40 × 874,726.80
  4. Step 4: Simplify right side
    880,947.60x = 1,155,882,712,673.52
  5. Step 5: Solve for x
    x = 1,155,882,712,673.52/880,947.60
  6. Step 6: Final answer
    x = 1,312,090.20

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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.