Home / 623,060.40-859,822.16-336,579.60

Finding the Fourth Proportional to 623,060.40, 859,822.16 and 336,579.60

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Solution

The fourth proportional to 623,060.40, 859,822.16 and 336,579.60 is: 464,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,060.40 : 859,822.16 = 336,579.60 : x
  2. Step 2: Convert to fraction form
    623,060.40/859,822.16 = 336,579.60/x
  3. Step 3: Cross multiply
    623,060.40x = 859,822.16 × 336,579.60
  4. Step 4: Simplify right side
    623,060.40x = 289,398,598,683.94
  5. Step 5: Solve for x
    x = 289,398,598,683.94/623,060.40
  6. Step 6: Final answer
    x = 464,479.20

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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.