Home / 644,152.61-961,891.15-526,058.21

Finding the Fourth Proportional to 644,152.61, 961,891.15 and 526,058.21

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Solution

The fourth proportional to 644,152.61, 961,891.15 and 526,058.21 is: 785,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,152.61 : 961,891.15 = 526,058.21 : x
  2. Step 2: Convert to fraction form
    644,152.61/961,891.15 = 526,058.21/x
  3. Step 3: Cross multiply
    644,152.61x = 961,891.15 × 526,058.21
  4. Step 4: Simplify right side
    644,152.61x = 506,010,736,583.84
  5. Step 5: Solve for x
    x = 506,010,736,583.84/644,152.61
  6. Step 6: Final answer
    x = 785,544.81

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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.