Home / 891,550.93-1,230,340.28-509,585.91

Finding the Fourth Proportional to 891,550.93, 1,230,340.28 and 509,585.91

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Solution

The fourth proportional to 891,550.93, 1,230,340.28 and 509,585.91 is: 703,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,550.93 : 1,230,340.28 = 509,585.91 : x
  2. Step 2: Convert to fraction form
    891,550.93/1,230,340.28 = 509,585.91/x
  3. Step 3: Cross multiply
    891,550.93x = 1,230,340.28 × 509,585.91
  4. Step 4: Simplify right side
    891,550.93x = 626,964,068,645.53
  5. Step 5: Solve for x
    x = 626,964,068,645.53/891,550.93
  6. Step 6: Final answer
    x = 703,228.55

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Double scale
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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.