Home / 761,734.76-1,141,189.50-382,209.80

Finding the Fourth Proportional to 761,734.76, 1,141,189.50 and 382,209.80

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Solution

The fourth proportional to 761,734.76, 1,141,189.50 and 382,209.80 is: 572,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,734.76 : 1,141,189.50 = 382,209.80 : x
  2. Step 2: Convert to fraction form
    761,734.76/1,141,189.50 = 382,209.80/x
  3. Step 3: Cross multiply
    761,734.76x = 1,141,189.50 × 382,209.80
  4. Step 4: Simplify right side
    761,734.76x = 436,173,810,557.10
  5. Step 5: Solve for x
    x = 436,173,810,557.10/761,734.76
  6. Step 6: Final answer
    x = 572,605.89

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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.