Home / 624,474.21-861,795.27-382,710.07

Finding the Fourth Proportional to 624,474.21, 861,795.27 and 382,710.07

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Solution

The fourth proportional to 624,474.21, 861,795.27 and 382,710.07 is: 528,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,474.21 : 861,795.27 = 382,710.07 : x
  2. Step 2: Convert to fraction form
    624,474.21/861,795.27 = 382,710.07/x
  3. Step 3: Cross multiply
    624,474.21x = 861,795.27 × 382,710.07
  4. Step 4: Simplify right side
    624,474.21x = 329,817,725,413.39
  5. Step 5: Solve for x
    x = 329,817,725,413.39/624,474.21
  6. Step 6: Final answer
    x = 528,152.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.