Home / 784,911.75-1,177,543.13-286,275.75

Finding the Fourth Proportional to 784,911.75, 1,177,543.13 and 286,275.75

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Solution

The fourth proportional to 784,911.75, 1,177,543.13 and 286,275.75 is: 429,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,911.75 : 1,177,543.13 = 286,275.75 : x
  2. Step 2: Convert to fraction form
    784,911.75/1,177,543.13 = 286,275.75/x
  3. Step 3: Cross multiply
    784,911.75x = 1,177,543.13 × 286,275.75
  4. Step 4: Simplify right side
    784,911.75x = 337,102,041,266.72
  5. Step 5: Solve for x
    x = 337,102,041,266.72/784,911.75
  6. Step 6: Final answer
    x = 429,477.63

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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.