Home / 369,996.08-553,412.16-308,834.18

Finding the Fourth Proportional to 369,996.08, 553,412.16 and 308,834.18

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Solution

The fourth proportional to 369,996.08, 553,412.16 and 308,834.18 is: 461,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,996.08 : 553,412.16 = 308,834.18 : x
  2. Step 2: Convert to fraction form
    369,996.08/553,412.16 = 308,834.18/x
  3. Step 3: Cross multiply
    369,996.08x = 553,412.16 × 308,834.18
  4. Step 4: Simplify right side
    369,996.08x = 170,912,590,635.63
  5. Step 5: Solve for x
    x = 170,912,590,635.63/369,996.08
  6. Step 6: Final answer
    x = 461,930.81

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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.