Home / 738,688.20-1,019,396.52-416,369.76

Finding the Fourth Proportional to 738,688.20, 1,019,396.52 and 416,369.76

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Solution

The fourth proportional to 738,688.20, 1,019,396.52 and 416,369.76 is: 574,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,688.20 : 1,019,396.52 = 416,369.76 : x
  2. Step 2: Convert to fraction form
    738,688.20/1,019,396.52 = 416,369.76/x
  3. Step 3: Cross multiply
    738,688.20x = 1,019,396.52 × 416,369.76
  4. Step 4: Simplify right side
    738,688.20x = 424,445,884,377.24
  5. Step 5: Solve for x
    x = 424,445,884,377.24/738,688.20
  6. Step 6: Final answer
    x = 574,594.10

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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.