Home / 785,557.13-1,178,404.02-216,938.97

Finding the Fourth Proportional to 785,557.13, 1,178,404.02 and 216,938.97

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Solution

The fourth proportional to 785,557.13, 1,178,404.02 and 216,938.97 is: 325,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,557.13 : 1,178,404.02 = 216,938.97 : x
  2. Step 2: Convert to fraction form
    785,557.13/1,178,404.02 = 216,938.97/x
  3. Step 3: Cross multiply
    785,557.13x = 1,178,404.02 × 216,938.97
  4. Step 4: Simplify right side
    785,557.13x = 255,641,754,342.66
  5. Step 5: Solve for x
    x = 255,641,754,342.66/785,557.13
  6. Step 6: Final answer
    x = 325,427.33

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1.5x scale

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.