Home / 1,041,328.50-1,561,394.97-409,897.86

Finding the Fourth Proportional to 1,041,328.50, 1,561,394.97 and 409,897.86

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Solution

The fourth proportional to 1,041,328.50, 1,561,394.97 and 409,897.86 is: 614,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,328.50 : 1,561,394.97 = 409,897.86 : x
  2. Step 2: Convert to fraction form
    1,041,328.50/1,561,394.97 = 409,897.86/x
  3. Step 3: Cross multiply
    1,041,328.50x = 1,561,394.97 × 409,897.86
  4. Step 4: Simplify right side
    1,041,328.50x = 640,012,456,817.76
  5. Step 5: Solve for x
    x = 640,012,456,817.76/1,041,328.50
  6. Step 6: Final answer
    x = 614,611.49

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Double scale
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Similar ratio
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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.