Home / 346,723.83-478,443.24-237,921.48

Finding the Fourth Proportional to 346,723.83, 478,443.24 and 237,921.48

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Solution

The fourth proportional to 346,723.83, 478,443.24 and 237,921.48 is: 328,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.83 : 478,443.24 = 237,921.48 : x
  2. Step 2: Convert to fraction form
    346,723.83/478,443.24 = 237,921.48/x
  3. Step 3: Cross multiply
    346,723.83x = 478,443.24 × 237,921.48
  4. Step 4: Simplify right side
    346,723.83x = 113,831,923,756.80
  5. Step 5: Solve for x
    x = 113,831,923,756.80/346,723.83
  6. Step 6: Final answer
    x = 328,307.18

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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.