Home / 826,577.86-1,140,384.09-540,263.02

Finding the Fourth Proportional to 826,577.86, 1,140,384.09 and 540,263.02

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Solution

The fourth proportional to 826,577.86, 1,140,384.09 and 540,263.02 is: 745,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,577.86 : 1,140,384.09 = 540,263.02 : x
  2. Step 2: Convert to fraction form
    826,577.86/1,140,384.09 = 540,263.02/x
  3. Step 3: Cross multiply
    826,577.86x = 1,140,384.09 × 540,263.02
  4. Step 4: Simplify right side
    826,577.86x = 616,107,352,423.35
  5. Step 5: Solve for x
    x = 616,107,352,423.35/826,577.86
  6. Step 6: Final answer
    x = 745,371.23

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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.