Home / 475,728.04-712,192.37-317,564.20

Finding the Fourth Proportional to 475,728.04, 712,192.37 and 317,564.20

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Solution

The fourth proportional to 475,728.04, 712,192.37 and 317,564.20 is: 475,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,728.04 : 712,192.37 = 317,564.20 : x
  2. Step 2: Convert to fraction form
    475,728.04/712,192.37 = 317,564.20/x
  3. Step 3: Cross multiply
    475,728.04x = 712,192.37 × 317,564.20
  4. Step 4: Simplify right side
    475,728.04x = 226,166,798,637.33
  5. Step 5: Solve for x
    x = 226,166,798,637.33/475,728.04
  6. Step 6: Final answer
    x = 475,411.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.