Home / 771,641.80-1,157,073.90-456,195.40

Finding the Fourth Proportional to 771,641.80, 1,157,073.90 and 456,195.40

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Solution

The fourth proportional to 771,641.80, 1,157,073.90 and 456,195.40 is: 684,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,641.80 : 1,157,073.90 = 456,195.40 : x
  2. Step 2: Convert to fraction form
    771,641.80/1,157,073.90 = 456,195.40/x
  3. Step 3: Cross multiply
    771,641.80x = 1,157,073.90 × 456,195.40
  4. Step 4: Simplify right side
    771,641.80x = 527,851,790,640.06
  5. Step 5: Solve for x
    x = 527,851,790,640.06/771,641.80
  6. Step 6: Final answer
    x = 684,063.24

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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.