Home / 1,113,812.92-1,537,131.90-630,193.96

Finding the Fourth Proportional to 1,113,812.92, 1,537,131.90 and 630,193.96

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Solution

The fourth proportional to 1,113,812.92, 1,537,131.90 and 630,193.96 is: 869,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,812.92 : 1,537,131.90 = 630,193.96 : x
  2. Step 2: Convert to fraction form
    1,113,812.92/1,537,131.90 = 630,193.96/x
  3. Step 3: Cross multiply
    1,113,812.92x = 1,537,131.90 × 630,193.96
  4. Step 4: Simplify right side
    1,113,812.92x = 968,691,239,103.32
  5. Step 5: Solve for x
    x = 968,691,239,103.32/1,113,812.92
  6. Step 6: Final answer
    x = 869,707.31

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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.