Home / 985,275.83-1,359,695.78-577,280.03

Finding the Fourth Proportional to 985,275.83, 1,359,695.78 and 577,280.03

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Solution

The fourth proportional to 985,275.83, 1,359,695.78 and 577,280.03 is: 796,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,275.83 : 1,359,695.78 = 577,280.03 : x
  2. Step 2: Convert to fraction form
    985,275.83/1,359,695.78 = 577,280.03/x
  3. Step 3: Cross multiply
    985,275.83x = 1,359,695.78 × 577,280.03
  4. Step 4: Simplify right side
    985,275.83x = 784,925,220,669.27
  5. Step 5: Solve for x
    x = 784,925,220,669.27/985,275.83
  6. Step 6: Final answer
    x = 796,655.31

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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.