Home / 1,402,122.70-2,103,184.05-503,703.10

Finding the Fourth Proportional to 1,402,122.70, 2,103,184.05 and 503,703.10

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Solution

The fourth proportional to 1,402,122.70, 2,103,184.05 and 503,703.10 is: 755,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,122.70 : 2,103,184.05 = 503,703.10 : x
  2. Step 2: Convert to fraction form
    1,402,122.70/2,103,184.05 = 503,703.10/x
  3. Step 3: Cross multiply
    1,402,122.70x = 2,103,184.05 × 503,703.10
  4. Step 4: Simplify right side
    1,402,122.70x = 1,059,380,325,855.55
  5. Step 5: Solve for x
    x = 1,059,380,325,855.55/1,402,122.70
  6. Step 6: Final answer
    x = 755,554.65

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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.