Home / 963,380.68-1,329,465.13-527,813.48

Finding the Fourth Proportional to 963,380.68, 1,329,465.13 and 527,813.48

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Solution

The fourth proportional to 963,380.68, 1,329,465.13 and 527,813.48 is: 728,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,380.68 : 1,329,465.13 = 527,813.48 : x
  2. Step 2: Convert to fraction form
    963,380.68/1,329,465.13 = 527,813.48/x
  3. Step 3: Cross multiply
    963,380.68x = 1,329,465.13 × 527,813.48
  4. Step 4: Simplify right side
    963,380.68x = 701,709,614,298.79
  5. Step 5: Solve for x
    x = 701,709,614,298.79/963,380.68
  6. Step 6: Final answer
    x = 728,382.49

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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.