Home / 1,657,915.60-2,488,185.60-647,521.60

Finding the Fourth Proportional to 1,657,915.60, 2,488,185.60 and 647,521.60

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Solution

The fourth proportional to 1,657,915.60, 2,488,185.60 and 647,521.60 is: 971,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,915.60 : 2,488,185.60 = 647,521.60 : x
  2. Step 2: Convert to fraction form
    1,657,915.60/2,488,185.60 = 647,521.60/x
  3. Step 3: Cross multiply
    1,657,915.60x = 2,488,185.60 × 647,521.60
  4. Step 4: Simplify right side
    1,657,915.60x = 1,611,153,920,808.96
  5. Step 5: Solve for x
    x = 1,611,153,920,808.96/1,657,915.60
  6. Step 6: Final answer
    x = 971,794.90

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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.