Home / 875,360.34-1,313,630.61-306,746.55

Finding the Fourth Proportional to 875,360.34, 1,313,630.61 and 306,746.55

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Solution

The fourth proportional to 875,360.34, 1,313,630.61 and 306,746.55 is: 460,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,360.34 : 1,313,630.61 = 306,746.55 : x
  2. Step 2: Convert to fraction form
    875,360.34/1,313,630.61 = 306,746.55/x
  3. Step 3: Cross multiply
    875,360.34x = 1,313,630.61 × 306,746.55
  4. Step 4: Simplify right side
    875,360.34x = 402,951,657,591.90
  5. Step 5: Solve for x
    x = 402,951,657,591.90/875,360.34
  6. Step 6: Final answer
    x = 460,326.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.