Home / 891,550.18-1,230,339.24-509,585.16

Finding the Fourth Proportional to 891,550.18, 1,230,339.24 and 509,585.16

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Solution

The fourth proportional to 891,550.18, 1,230,339.24 and 509,585.16 is: 703,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,550.18 : 1,230,339.24 = 509,585.16 : x
  2. Step 2: Convert to fraction form
    891,550.18/1,230,339.24 = 509,585.16/x
  3. Step 3: Cross multiply
    891,550.18x = 1,230,339.24 × 509,585.16
  4. Step 4: Simplify right side
    891,550.18x = 626,962,616,162.79
  5. Step 5: Solve for x
    x = 626,962,616,162.79/891,550.18
  6. Step 6: Final answer
    x = 703,227.52

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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.