Home / 927,819.18-1,280,368.74-545,870.52

Finding the Fourth Proportional to 927,819.18, 1,280,368.74 and 545,870.52

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Solution

The fourth proportional to 927,819.18, 1,280,368.74 and 545,870.52 is: 753,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,819.18 : 1,280,368.74 = 545,870.52 : x
  2. Step 2: Convert to fraction form
    927,819.18/1,280,368.74 = 545,870.52/x
  3. Step 3: Cross multiply
    927,819.18x = 1,280,368.74 × 545,870.52
  4. Step 4: Simplify right side
    927,819.18x = 698,915,549,895.55
  5. Step 5: Solve for x
    x = 698,915,549,895.55/927,819.18
  6. Step 6: Final answer
    x = 753,288.53

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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.