Home / 927,219.88-1,279,547.94-519,318.28

Finding the Fourth Proportional to 927,219.88, 1,279,547.94 and 519,318.28

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Solution

The fourth proportional to 927,219.88, 1,279,547.94 and 519,318.28 is: 716,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,219.88 : 1,279,547.94 = 519,318.28 : x
  2. Step 2: Convert to fraction form
    927,219.88/1,279,547.94 = 519,318.28/x
  3. Step 3: Cross multiply
    927,219.88x = 1,279,547.94 × 519,318.28
  4. Step 4: Simplify right side
    927,219.88x = 664,492,635,378.34
  5. Step 5: Solve for x
    x = 664,492,635,378.34/927,219.88
  6. Step 6: Final answer
    x = 716,650.55

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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.