Home / 742,426.44-1,024,548.45-402,894.69

Finding the Fourth Proportional to 742,426.44, 1,024,548.45 and 402,894.69

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Solution

The fourth proportional to 742,426.44, 1,024,548.45 and 402,894.69 is: 555,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,426.44 : 1,024,548.45 = 402,894.69 : x
  2. Step 2: Convert to fraction form
    742,426.44/1,024,548.45 = 402,894.69/x
  3. Step 3: Cross multiply
    742,426.44x = 1,024,548.45 × 402,894.69
  4. Step 4: Simplify right side
    742,426.44x = 412,785,130,152.73
  5. Step 5: Solve for x
    x = 412,785,130,152.73/742,426.44
  6. Step 6: Final answer
    x = 555,994.65

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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.