Home / 775,341.16-1,069,813.90-452,988.96

Finding the Fourth Proportional to 775,341.16, 1,069,813.90 and 452,988.96

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Solution

The fourth proportional to 775,341.16, 1,069,813.90 and 452,988.96 is: 625,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,341.16 : 1,069,813.90 = 452,988.96 : x
  2. Step 2: Convert to fraction form
    775,341.16/1,069,813.90 = 452,988.96/x
  3. Step 3: Cross multiply
    775,341.16x = 1,069,813.90 × 452,988.96
  4. Step 4: Simplify right side
    775,341.16x = 484,613,885,954.54
  5. Step 5: Solve for x
    x = 484,613,885,954.54/775,341.16
  6. Step 6: Final answer
    x = 625,033.10

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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.