Home / 624,473.36-861,794.10-382,709.22

Finding the Fourth Proportional to 624,473.36, 861,794.10 and 382,709.22

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Solution

The fourth proportional to 624,473.36, 861,794.10 and 382,709.22 is: 528,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,473.36 : 861,794.10 = 382,709.22 : x
  2. Step 2: Convert to fraction form
    624,473.36/861,794.10 = 382,709.22/x
  3. Step 3: Cross multiply
    624,473.36x = 861,794.10 × 382,709.22
  4. Step 4: Simplify right side
    624,473.36x = 329,816,547,811.60
  5. Step 5: Solve for x
    x = 329,816,547,811.60/624,473.36
  6. Step 6: Final answer
    x = 528,151.51

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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.