Home / 673,938.24-930,083.76-387,548.16

Finding the Fourth Proportional to 673,938.24, 930,083.76 and 387,548.16

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Solution

The fourth proportional to 673,938.24, 930,083.76 and 387,548.16 is: 534,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,938.24 : 930,083.76 = 387,548.16 : x
  2. Step 2: Convert to fraction form
    673,938.24/930,083.76 = 387,548.16/x
  3. Step 3: Cross multiply
    673,938.24x = 930,083.76 × 387,548.16
  4. Step 4: Simplify right side
    673,938.24x = 360,452,249,833.88
  5. Step 5: Solve for x
    x = 360,452,249,833.88/673,938.24
  6. Step 6: Final answer
    x = 534,844.63

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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.