Home / 826,563.36-1,140,364.08-540,248.76

Finding the Fourth Proportional to 826,563.36, 1,140,364.08 and 540,248.76

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Solution

The fourth proportional to 826,563.36, 1,140,364.08 and 540,248.76 is: 745,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,563.36 : 1,140,364.08 = 540,248.76 : x
  2. Step 2: Convert to fraction form
    826,563.36/1,140,364.08 = 540,248.76/x
  3. Step 3: Cross multiply
    826,563.36x = 1,140,364.08 × 540,248.76
  4. Step 4: Simplify right side
    826,563.36x = 616,080,280,168.54
  5. Step 5: Solve for x
    x = 616,080,280,168.54/826,563.36
  6. Step 6: Final answer
    x = 745,351.55

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Double scale
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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.