Home / 776,116.80-1,161,842.40-460,411.20

Finding the Fourth Proportional to 776,116.80, 1,161,842.40 and 460,411.20

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Solution

The fourth proportional to 776,116.80, 1,161,842.40 and 460,411.20 is: 689,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,116.80 : 1,161,842.40 = 460,411.20 : x
  2. Step 2: Convert to fraction form
    776,116.80/1,161,842.40 = 460,411.20/x
  3. Step 3: Cross multiply
    776,116.80x = 1,161,842.40 × 460,411.20
  4. Step 4: Simplify right side
    776,116.80x = 534,925,253,594.88
  5. Step 5: Solve for x
    x = 534,925,253,594.88/776,116.80
  6. Step 6: Final answer
    x = 689,232.93

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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.