Home / 826,573.86-1,140,378.57-540,259.02

Finding the Fourth Proportional to 826,573.86, 1,140,378.57 and 540,259.02

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Solution

The fourth proportional to 826,573.86, 1,140,378.57 and 540,259.02 is: 745,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,573.86 : 1,140,378.57 = 540,259.02 : x
  2. Step 2: Convert to fraction form
    826,573.86/1,140,378.57 = 540,259.02/x
  3. Step 3: Cross multiply
    826,573.86x = 1,140,378.57 × 540,259.02
  4. Step 4: Simplify right side
    826,573.86x = 616,099,808,657.20
  5. Step 5: Solve for x
    x = 616,099,808,657.20/826,573.86
  6. Step 6: Final answer
    x = 745,365.71

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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.