Home / 851,554.02-1,275,885.08-513,885.14

Finding the Fourth Proportional to 851,554.02, 1,275,885.08 and 513,885.14

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Solution

The fourth proportional to 851,554.02, 1,275,885.08 and 513,885.14 is: 769,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,554.02 : 1,275,885.08 = 513,885.14 : x
  2. Step 2: Convert to fraction form
    851,554.02/1,275,885.08 = 513,885.14/x
  3. Step 3: Cross multiply
    851,554.02x = 1,275,885.08 × 513,885.14
  4. Step 4: Simplify right side
    851,554.02x = 655,658,380,722.50
  5. Step 5: Solve for x
    x = 655,658,380,722.50/851,554.02
  6. Step 6: Final answer
    x = 769,955.12

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Double scale
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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.