Home / 369,976.60-554,964.90-314,864.20

Finding the Fourth Proportional to 369,976.60, 554,964.90 and 314,864.20

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Solution

The fourth proportional to 369,976.60, 554,964.90 and 314,864.20 is: 472,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,976.60 : 554,964.90 = 314,864.20 : x
  2. Step 2: Convert to fraction form
    369,976.60/554,964.90 = 314,864.20/x
  3. Step 3: Cross multiply
    369,976.60x = 554,964.90 × 314,864.20
  4. Step 4: Simplify right side
    369,976.60x = 174,738,579,266.58
  5. Step 5: Solve for x
    x = 174,738,579,266.58/369,976.60
  6. Step 6: Final answer
    x = 472,296.30

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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.