Home / 1,276,903.80-1,915,355.70-566,177.40

Finding the Fourth Proportional to 1,276,903.80, 1,915,355.70 and 566,177.40

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Solution

The fourth proportional to 1,276,903.80, 1,915,355.70 and 566,177.40 is: 849,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,903.80 : 1,915,355.70 = 566,177.40 : x
  2. Step 2: Convert to fraction form
    1,276,903.80/1,915,355.70 = 566,177.40/x
  3. Step 3: Cross multiply
    1,276,903.80x = 1,915,355.70 × 566,177.40
  4. Step 4: Simplify right side
    1,276,903.80x = 1,084,431,110,301.18
  5. Step 5: Solve for x
    x = 1,084,431,110,301.18/1,276,903.80
  6. Step 6: Final answer
    x = 849,266.10

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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.