Home / 651,111.40-977,703.90-441,677.80

Finding the Fourth Proportional to 651,111.40, 977,703.90 and 441,677.80

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Solution

The fourth proportional to 651,111.40, 977,703.90 and 441,677.80 is: 663,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,111.40 : 977,703.90 = 441,677.80 : x
  2. Step 2: Convert to fraction form
    651,111.40/977,703.90 = 441,677.80/x
  3. Step 3: Cross multiply
    651,111.40x = 977,703.90 × 441,677.80
  4. Step 4: Simplify right side
    651,111.40x = 431,830,107,603.42
  5. Step 5: Solve for x
    x = 431,830,107,603.42/651,111.40
  6. Step 6: Final answer
    x = 663,220.01

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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.