Home / 644,152.11-961,890.40-526,057.71

Finding the Fourth Proportional to 644,152.11, 961,890.40 and 526,057.71

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Solution

The fourth proportional to 644,152.11, 961,890.40 and 526,057.71 is: 785,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,152.11 : 961,890.40 = 526,057.71 : x
  2. Step 2: Convert to fraction form
    644,152.11/961,890.40 = 526,057.71/x
  3. Step 3: Cross multiply
    644,152.11x = 961,890.40 × 526,057.71
  4. Step 4: Simplify right side
    644,152.11x = 506,009,859,779.84
  5. Step 5: Solve for x
    x = 506,009,859,779.84/644,152.11
  6. Step 6: Final answer
    x = 785,544.05

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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.