Home / 756,000.78-1,043,432.19-433,928.58

Finding the Fourth Proportional to 756,000.78, 1,043,432.19 and 433,928.58

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Solution

The fourth proportional to 756,000.78, 1,043,432.19 and 433,928.58 is: 598,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,000.78 : 1,043,432.19 = 433,928.58 : x
  2. Step 2: Convert to fraction form
    756,000.78/1,043,432.19 = 433,928.58/x
  3. Step 3: Cross multiply
    756,000.78x = 1,043,432.19 × 433,928.58
  4. Step 4: Simplify right side
    756,000.78x = 452,775,048,532.99
  5. Step 5: Solve for x
    x = 452,775,048,532.99/756,000.78
  6. Step 6: Final answer
    x = 598,908.18

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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.