Home / 798,915.31-1,102,501.38-436,339.20

Finding the Fourth Proportional to 798,915.31, 1,102,501.38 and 436,339.20

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Solution

The fourth proportional to 798,915.31, 1,102,501.38 and 436,339.20 is: 602,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,915.31 : 1,102,501.38 = 436,339.20 : x
  2. Step 2: Convert to fraction form
    798,915.31/1,102,501.38 = 436,339.20/x
  3. Step 3: Cross multiply
    798,915.31x = 1,102,501.38 × 436,339.20
  4. Step 4: Simplify right side
    798,915.31x = 481,064,570,148.10
  5. Step 5: Solve for x
    x = 481,064,570,148.10/798,915.31
  6. Step 6: Final answer
    x = 602,147.14

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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.