Home / 771,685.56-1,157,697.48-259,332.24

Finding the Fourth Proportional to 771,685.56, 1,157,697.48 and 259,332.24

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Solution

The fourth proportional to 771,685.56, 1,157,697.48 and 259,332.24 is: 389,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,685.56 : 1,157,697.48 = 259,332.24 : x
  2. Step 2: Convert to fraction form
    771,685.56/1,157,697.48 = 259,332.24/x
  3. Step 3: Cross multiply
    771,685.56x = 1,157,697.48 × 259,332.24
  4. Step 4: Simplify right side
    771,685.56x = 300,228,280,730.76
  5. Step 5: Solve for x
    x = 300,228,280,730.76/771,685.56
  6. Step 6: Final answer
    x = 389,055.20

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Double scale
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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.