Home / 1,068,543.64-1,603,115.11-429,296.27

Finding the Fourth Proportional to 1,068,543.64, 1,603,115.11 and 429,296.27

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Solution

The fourth proportional to 1,068,543.64, 1,603,115.11 and 429,296.27 is: 644,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,543.64 : 1,603,115.11 = 429,296.27 : x
  2. Step 2: Convert to fraction form
    1,068,543.64/1,603,115.11 = 429,296.27/x
  3. Step 3: Cross multiply
    1,068,543.64x = 1,603,115.11 × 429,296.27
  4. Step 4: Simplify right side
    1,068,543.64x = 688,211,329,624.69
  5. Step 5: Solve for x
    x = 688,211,329,624.69/1,068,543.64
  6. Step 6: Final answer
    x = 644,064.78

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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.