Home / 742,293.23-1,024,376.56-402,761.48

Finding the Fourth Proportional to 742,293.23, 1,024,376.56 and 402,761.48

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Solution

The fourth proportional to 742,293.23, 1,024,376.56 and 402,761.48 is: 555,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,293.23 : 1,024,376.56 = 402,761.48 : x
  2. Step 2: Convert to fraction form
    742,293.23/1,024,376.56 = 402,761.48/x
  3. Step 3: Cross multiply
    742,293.23x = 1,024,376.56 × 402,761.48
  4. Step 4: Simplify right side
    742,293.23x = 412,579,413,254.12
  5. Step 5: Solve for x
    x = 412,579,413,254.12/742,293.23
  6. Step 6: Final answer
    x = 555,817.30

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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.