Home / 623,119.30-859,905.06-336,639.28

Finding the Fourth Proportional to 623,119.30, 859,905.06 and 336,639.28

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Solution

The fourth proportional to 623,119.30, 859,905.06 and 336,639.28 is: 464,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,119.30 : 859,905.06 = 336,639.28 : x
  2. Step 2: Convert to fraction form
    623,119.30/859,905.06 = 336,639.28/x
  3. Step 3: Cross multiply
    623,119.30x = 859,905.06 × 336,639.28
  4. Step 4: Simplify right side
    623,119.30x = 289,477,820,266.76
  5. Step 5: Solve for x
    x = 289,477,820,266.76/623,119.30
  6. Step 6: Final answer
    x = 464,562.44

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Double scale
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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.