Home / 624,474.36-861,795.48-382,710.24

Finding the Fourth Proportional to 624,474.36, 861,795.48 and 382,710.24

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Solution

The fourth proportional to 624,474.36, 861,795.48 and 382,710.24 is: 528,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,474.36 : 861,795.48 = 382,710.24 : x
  2. Step 2: Convert to fraction form
    624,474.36/861,795.48 = 382,710.24/x
  3. Step 3: Cross multiply
    624,474.36x = 861,795.48 × 382,710.24
  4. Step 4: Simplify right side
    624,474.36x = 329,817,954,981.72
  5. Step 5: Solve for x
    x = 329,817,954,981.72/624,474.36
  6. Step 6: Final answer
    x = 528,152.92

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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.