Home / 1,851,211.60-2,776,817.40-653,124.40

Finding the Fourth Proportional to 1,851,211.60, 2,776,817.40 and 653,124.40

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Solution

The fourth proportional to 1,851,211.60, 2,776,817.40 and 653,124.40 is: 979,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,211.60 : 2,776,817.40 = 653,124.40 : x
  2. Step 2: Convert to fraction form
    1,851,211.60/2,776,817.40 = 653,124.40/x
  3. Step 3: Cross multiply
    1,851,211.60x = 2,776,817.40 × 653,124.40
  4. Step 4: Simplify right side
    1,851,211.60x = 1,813,607,198,284.56
  5. Step 5: Solve for x
    x = 1,813,607,198,284.56/1,851,211.60
  6. Step 6: Final answer
    x = 979,686.60

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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.