Home / 694,303.10-1,041,454.65-221,036.30

Finding the Fourth Proportional to 694,303.10, 1,041,454.65 and 221,036.30

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Solution

The fourth proportional to 694,303.10, 1,041,454.65 and 221,036.30 is: 331,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,303.10 : 1,041,454.65 = 221,036.30 : x
  2. Step 2: Convert to fraction form
    694,303.10/1,041,454.65 = 221,036.30/x
  3. Step 3: Cross multiply
    694,303.10x = 1,041,454.65 × 221,036.30
  4. Step 4: Simplify right side
    694,303.10x = 230,199,282,453.80
  5. Step 5: Solve for x
    x = 230,199,282,453.80/694,303.10
  6. Step 6: Final answer
    x = 331,554.45

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Double scale
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Similar ratio
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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.