Home / 738,676.53-1,019,312.37-416,465.82

Finding the Fourth Proportional to 738,676.53, 1,019,312.37 and 416,465.82

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Solution

The fourth proportional to 738,676.53, 1,019,312.37 and 416,465.82 is: 574,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,676.53 : 1,019,312.37 = 416,465.82 : x
  2. Step 2: Convert to fraction form
    738,676.53/1,019,312.37 = 416,465.82/x
  3. Step 3: Cross multiply
    738,676.53x = 1,019,312.37 × 416,465.82
  4. Step 4: Simplify right side
    738,676.53x = 424,508,762,008.19
  5. Step 5: Solve for x
    x = 424,508,762,008.19/738,676.53
  6. Step 6: Final answer
    x = 574,688.30

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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.