Home / 927,548.34-1,280,053.46-519,653.55

Finding the Fourth Proportional to 927,548.34, 1,280,053.46 and 519,653.55

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Solution

The fourth proportional to 927,548.34, 1,280,053.46 and 519,653.55 is: 717,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,548.34 : 1,280,053.46 = 519,653.55 : x
  2. Step 2: Convert to fraction form
    927,548.34/1,280,053.46 = 519,653.55/x
  3. Step 3: Cross multiply
    927,548.34x = 1,280,053.46 × 519,653.55
  4. Step 4: Simplify right side
    927,548.34x = 665,184,322,080.52
  5. Step 5: Solve for x
    x = 665,184,322,080.52/927,548.34
  6. Step 6: Final answer
    x = 717,142.49

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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.