Home / 389,816.00-537,915.67-226,445.47

Finding the Fourth Proportional to 389,816.00, 537,915.67 and 226,445.47

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Solution

The fourth proportional to 389,816.00, 537,915.67 and 226,445.47 is: 312,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,816.00 : 537,915.67 = 226,445.47 : x
  2. Step 2: Convert to fraction form
    389,816.00/537,915.67 = 226,445.47/x
  3. Step 3: Cross multiply
    389,816.00x = 537,915.67 × 226,445.47
  4. Step 4: Simplify right side
    389,816.00x = 121,808,564,802.61
  5. Step 5: Solve for x
    x = 121,808,564,802.61/389,816.00
  6. Step 6: Final answer
    x = 312,477.08

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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.