Home / 346,647.59-478,329.69-203,355.35

Finding the Fourth Proportional to 346,647.59, 478,329.69 and 203,355.35

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Solution

The fourth proportional to 346,647.59, 478,329.69 and 203,355.35 is: 280,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,647.59 : 478,329.69 = 203,355.35 : x
  2. Step 2: Convert to fraction form
    346,647.59/478,329.69 = 203,355.35/x
  3. Step 3: Cross multiply
    346,647.59x = 478,329.69 × 203,355.35
  4. Step 4: Simplify right side
    346,647.59x = 97,270,899,133.69
  5. Step 5: Solve for x
    x = 97,270,899,133.69/346,647.59
  6. Step 6: Final answer
    x = 280,604.58

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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.