Home / 1,059,880.80-1,587,747.60-637,903.20

Finding the Fourth Proportional to 1,059,880.80, 1,587,747.60 and 637,903.20

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Solution

The fourth proportional to 1,059,880.80, 1,587,747.60 and 637,903.20 is: 955,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,880.80 : 1,587,747.60 = 637,903.20 : x
  2. Step 2: Convert to fraction form
    1,059,880.80/1,587,747.60 = 637,903.20/x
  3. Step 3: Cross multiply
    1,059,880.80x = 1,587,747.60 × 637,903.20
  4. Step 4: Simplify right side
    1,059,880.80x = 1,012,829,274,832.32
  5. Step 5: Solve for x
    x = 1,012,829,274,832.32/1,059,880.80
  6. Step 6: Final answer
    x = 955,606.78

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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.