Home / 1,102,263.24-1,521,211.20-618,860.16

Finding the Fourth Proportional to 1,102,263.24, 1,521,211.20 and 618,860.16

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Solution

The fourth proportional to 1,102,263.24, 1,521,211.20 and 618,860.16 is: 854,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,263.24 : 1,521,211.20 = 618,860.16 : x
  2. Step 2: Convert to fraction form
    1,102,263.24/1,521,211.20 = 618,860.16/x
  3. Step 3: Cross multiply
    1,102,263.24x = 1,521,211.20 × 618,860.16
  4. Step 4: Simplify right side
    1,102,263.24x = 941,417,006,625.79
  5. Step 5: Solve for x
    x = 941,417,006,625.79/1,102,263.24
  6. Step 6: Final answer
    x = 854,076.39

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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.