Home / 1,679,280.24-2,317,338-915,317.04

Finding the Fourth Proportional to 1,679,280.24, 2,317,338 and 915,317.04

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Solution

The fourth proportional to 1,679,280.24, 2,317,338 and 915,317.04 is: 1,263,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,280.24 : 2,317,338 = 915,317.04 : x
  2. Step 2: Convert to fraction form
    1,679,280.24/2,317,338 = 915,317.04/x
  3. Step 3: Cross multiply
    1,679,280.24x = 2,317,338 × 915,317.04
  4. Step 4: Simplify right side
    1,679,280.24x = 2,121,098,958,839.52
  5. Step 5: Solve for x
    x = 2,121,098,958,839.52/1,679,280.24
  6. Step 6: Final answer
    x = 1,263,100.05

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1.5x scale

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.