Home / 1,113,116.40-1,536,101.10-629,671.20

Finding the Fourth Proportional to 1,113,116.40, 1,536,101.10 and 629,671.20

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Solution

The fourth proportional to 1,113,116.40, 1,536,101.10 and 629,671.20 is: 868,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,116.40 : 1,536,101.10 = 629,671.20 : x
  2. Step 2: Convert to fraction form
    1,113,116.40/1,536,101.10 = 629,671.20/x
  3. Step 3: Cross multiply
    1,113,116.40x = 1,536,101.10 × 629,671.20
  4. Step 4: Simplify right side
    1,113,116.40x = 967,238,622,958.32
  5. Step 5: Solve for x
    x = 967,238,622,958.32/1,113,116.40
  6. Step 6: Final answer
    x = 868,946.52

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Double scale
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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.