Home / 1,605,928.15-2,216,170.45-917,810.47

Finding the Fourth Proportional to 1,605,928.15, 2,216,170.45 and 917,810.47

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Solution

The fourth proportional to 1,605,928.15, 2,216,170.45 and 917,810.47 is: 1,266,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,928.15 : 2,216,170.45 = 917,810.47 : x
  2. Step 2: Convert to fraction form
    1,605,928.15/2,216,170.45 = 917,810.47/x
  3. Step 3: Cross multiply
    1,605,928.15x = 2,216,170.45 × 917,810.47
  4. Step 4: Simplify right side
    1,605,928.15x = 2,034,024,442,314.61
  5. Step 5: Solve for x
    x = 2,034,024,442,314.61/1,605,928.15
  6. Step 6: Final answer
    x = 1,266,572.51

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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.