Home / 1,107,307.11-1,528,027.29-623,900.82

Finding the Fourth Proportional to 1,107,307.11, 1,528,027.29 and 623,900.82

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Solution

The fourth proportional to 1,107,307.11, 1,528,027.29 and 623,900.82 is: 860,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,307.11 : 1,528,027.29 = 623,900.82 : x
  2. Step 2: Convert to fraction form
    1,107,307.11/1,528,027.29 = 623,900.82/x
  3. Step 3: Cross multiply
    1,107,307.11x = 1,528,027.29 × 623,900.82
  4. Step 4: Simplify right side
    1,107,307.11x = 953,337,479,213.38
  5. Step 5: Solve for x
    x = 953,337,479,213.38/1,107,307.11
  6. Step 6: Final answer
    x = 860,951.28

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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.