Home / 891,557.19-1,230,348.90-509,592.16

Finding the Fourth Proportional to 891,557.19, 1,230,348.90 and 509,592.16

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Solution

The fourth proportional to 891,557.19, 1,230,348.90 and 509,592.16 is: 703,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,557.19 : 1,230,348.90 = 509,592.16 : x
  2. Step 2: Convert to fraction form
    891,557.19/1,230,348.90 = 509,592.16/x
  3. Step 3: Cross multiply
    891,557.19x = 1,230,348.90 × 509,592.16
  4. Step 4: Simplify right side
    891,557.19x = 626,976,153,504.62
  5. Step 5: Solve for x
    x = 626,976,153,504.62/891,557.19
  6. Step 6: Final answer
    x = 703,237.17

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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.