Home / 927,450.95-1,279,859.22-519,550.08

Finding the Fourth Proportional to 927,450.95, 1,279,859.22 and 519,550.08

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Solution

The fourth proportional to 927,450.95, 1,279,859.22 and 519,550.08 is: 716,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,450.95 : 1,279,859.22 = 519,550.08 : x
  2. Step 2: Convert to fraction form
    927,450.95/1,279,859.22 = 519,550.08/x
  3. Step 3: Cross multiply
    927,450.95x = 1,279,859.22 × 519,550.08
  4. Step 4: Simplify right side
    927,450.95x = 664,950,960,139.74
  5. Step 5: Solve for x
    x = 664,950,960,139.74/927,450.95
  6. Step 6: Final answer
    x = 716,966.18

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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.