Home / 644,155.36-961,895.24-526,060.96

Finding the Fourth Proportional to 644,155.36, 961,895.24 and 526,060.96

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Solution

The fourth proportional to 644,155.36, 961,895.24 and 526,060.96 is: 785,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,155.36 : 961,895.24 = 526,060.96 : x
  2. Step 2: Convert to fraction form
    644,155.36/961,895.24 = 526,060.96/x
  3. Step 3: Cross multiply
    644,155.36x = 961,895.24 × 526,060.96
  4. Step 4: Simplify right side
    644,155.36x = 506,015,533,373.83
  5. Step 5: Solve for x
    x = 506,015,533,373.83/644,155.36
  6. Step 6: Final answer
    x = 785,548.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.