Home / 929,540.40-1,394,569.80-397,316.40

Finding the Fourth Proportional to 929,540.40, 1,394,569.80 and 397,316.40

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Solution

The fourth proportional to 929,540.40, 1,394,569.80 and 397,316.40 is: 596,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,540.40 : 1,394,569.80 = 397,316.40 : x
  2. Step 2: Convert to fraction form
    929,540.40/1,394,569.80 = 397,316.40/x
  3. Step 3: Cross multiply
    929,540.40x = 1,394,569.80 × 397,316.40
  4. Step 4: Simplify right side
    929,540.40x = 554,085,452,484.72
  5. Step 5: Solve for x
    x = 554,085,452,484.72/929,540.40
  6. Step 6: Final answer
    x = 596,085.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.