Home / 1,111,702.50-1,669,785.30-663,298.38

Finding the Fourth Proportional to 1,111,702.50, 1,669,785.30 and 663,298.38

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Solution

The fourth proportional to 1,111,702.50, 1,669,785.30 and 663,298.38 is: 996,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,702.50 : 1,669,785.30 = 663,298.38 : x
  2. Step 2: Convert to fraction form
    1,111,702.50/1,669,785.30 = 663,298.38/x
  3. Step 3: Cross multiply
    1,111,702.50x = 1,669,785.30 × 663,298.38
  4. Step 4: Simplify right side
    1,111,702.50x = 1,107,565,884,437.81
  5. Step 5: Solve for x
    x = 1,107,565,884,437.81/1,111,702.50
  6. Step 6: Final answer
    x = 996,279.03

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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.