Home / 783,450.61-1,175,345.11-243,696.62

Finding the Fourth Proportional to 783,450.61, 1,175,345.11 and 243,696.62

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Solution

The fourth proportional to 783,450.61, 1,175,345.11 and 243,696.62 is: 365,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,450.61 : 1,175,345.11 = 243,696.62 : x
  2. Step 2: Convert to fraction form
    783,450.61/1,175,345.11 = 243,696.62/x
  3. Step 3: Cross multiply
    783,450.61x = 1,175,345.11 × 243,696.62
  4. Step 4: Simplify right side
    783,450.61x = 286,427,630,640.53
  5. Step 5: Solve for x
    x = 286,427,630,640.53/783,450.61
  6. Step 6: Final answer
    x = 365,597.56

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Double scale
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1.5x scale

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.