Home / 1,102,346.04-1,521,237.52-618,921.57

Finding the Fourth Proportional to 1,102,346.04, 1,521,237.52 and 618,921.57

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Solution

The fourth proportional to 1,102,346.04, 1,521,237.52 and 618,921.57 is: 854,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,346.04 : 1,521,237.52 = 618,921.57 : x
  2. Step 2: Convert to fraction form
    1,102,346.04/1,521,237.52 = 618,921.57/x
  3. Step 3: Cross multiply
    1,102,346.04x = 1,521,237.52 × 618,921.57
  4. Step 4: Simplify right side
    1,102,346.04x = 941,526,715,152.21
  5. Step 5: Solve for x
    x = 941,526,715,152.21/1,102,346.04
  6. Step 6: Final answer
    x = 854,111.76

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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.