Home / 1,161,951.63-1,603,458.36-645,703.80

Finding the Fourth Proportional to 1,161,951.63, 1,603,458.36 and 645,703.80

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Solution

The fourth proportional to 1,161,951.63, 1,603,458.36 and 645,703.80 is: 891,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,951.63 : 1,603,458.36 = 645,703.80 : x
  2. Step 2: Convert to fraction form
    1,161,951.63/1,603,458.36 = 645,703.80/x
  3. Step 3: Cross multiply
    1,161,951.63x = 1,603,458.36 × 645,703.80
  4. Step 4: Simplify right side
    1,161,951.63x = 1,035,359,156,193.77
  5. Step 5: Solve for x
    x = 1,035,359,156,193.77/1,161,951.63
  6. Step 6: Final answer
    x = 891,051.86

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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.