Home / 1,043,649.40-1,565,255.40-511,552.30

Finding the Fourth Proportional to 1,043,649.40, 1,565,255.40 and 511,552.30

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Solution

The fourth proportional to 1,043,649.40, 1,565,255.40 and 511,552.30 is: 767,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,649.40 : 1,565,255.40 = 511,552.30 : x
  2. Step 2: Convert to fraction form
    1,043,649.40/1,565,255.40 = 511,552.30/x
  3. Step 3: Cross multiply
    1,043,649.40x = 1,565,255.40 × 511,552.30
  4. Step 4: Simplify right side
    1,043,649.40x = 800,709,999,957.42
  5. Step 5: Solve for x
    x = 800,709,999,957.42/1,043,649.40
  6. Step 6: Final answer
    x = 767,221.25

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Double scale
Find fourth proportional to 1,043,650.40, 1,565,256.90 and 511,553.30
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.