Home / 927,323.64-1,280,144.88-621,599.72

Finding the Fourth Proportional to 927,323.64, 1,280,144.88 and 621,599.72

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Solution

The fourth proportional to 927,323.64, 1,280,144.88 and 621,599.72 is: 858,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,323.64 : 1,280,144.88 = 621,599.72 : x
  2. Step 2: Convert to fraction form
    927,323.64/1,280,144.88 = 621,599.72/x
  3. Step 3: Cross multiply
    927,323.64x = 1,280,144.88 × 621,599.72
  4. Step 4: Simplify right side
    927,323.64x = 795,737,692,566.71
  5. Step 5: Solve for x
    x = 795,737,692,566.71/927,323.64
  6. Step 6: Final answer
    x = 858,101.38

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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.