Home / 891,556.19-1,230,347.52-509,591.16

Finding the Fourth Proportional to 891,556.19, 1,230,347.52 and 509,591.16

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Solution

The fourth proportional to 891,556.19, 1,230,347.52 and 509,591.16 is: 703,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,556.19 : 1,230,347.52 = 509,591.16 : x
  2. Step 2: Convert to fraction form
    891,556.19/1,230,347.52 = 509,591.16/x
  3. Step 3: Cross multiply
    891,556.19x = 1,230,347.52 × 509,591.16
  4. Step 4: Simplify right side
    891,556.19x = 626,974,219,919.92
  5. Step 5: Solve for x
    x = 626,974,219,919.92/891,556.19
  6. Step 6: Final answer
    x = 703,235.79

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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.