Home / 971,772.30-1,458,314.55-545,307.30

Finding the Fourth Proportional to 971,772.30, 1,458,314.55 and 545,307.30

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Solution

The fourth proportional to 971,772.30, 1,458,314.55 and 545,307.30 is: 818,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,772.30 : 1,458,314.55 = 545,307.30 : x
  2. Step 2: Convert to fraction form
    971,772.30/1,458,314.55 = 545,307.30/x
  3. Step 3: Cross multiply
    971,772.30x = 1,458,314.55 × 545,307.30
  4. Step 4: Simplify right side
    971,772.30x = 795,229,569,811.22
  5. Step 5: Solve for x
    x = 795,229,569,811.22/971,772.30
  6. Step 6: Final answer
    x = 818,329.12

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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.