Home / 718,529.40-1,077,794.10-435,094.20

Finding the Fourth Proportional to 718,529.40, 1,077,794.10 and 435,094.20

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Solution

The fourth proportional to 718,529.40, 1,077,794.10 and 435,094.20 is: 652,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,529.40 : 1,077,794.10 = 435,094.20 : x
  2. Step 2: Convert to fraction form
    718,529.40/1,077,794.10 = 435,094.20/x
  3. Step 3: Cross multiply
    718,529.40x = 1,077,794.10 × 435,094.20
  4. Step 4: Simplify right side
    718,529.40x = 468,941,961,704.22
  5. Step 5: Solve for x
    x = 468,941,961,704.22/718,529.40
  6. Step 6: Final answer
    x = 652,641.30

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Double scale
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Similar ratio
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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.