Home / 623,068.00-859,851.55-347,432.20

Finding the Fourth Proportional to 623,068.00, 859,851.55 and 347,432.20

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Solution

The fourth proportional to 623,068.00, 859,851.55 and 347,432.20 is: 479,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,068.00 : 859,851.55 = 347,432.20 : x
  2. Step 2: Convert to fraction form
    623,068.00/859,851.55 = 347,432.20/x
  3. Step 3: Cross multiply
    623,068.00x = 859,851.55 × 347,432.20
  4. Step 4: Simplify right side
    623,068.00x = 298,740,113,974.57
  5. Step 5: Solve for x
    x = 298,740,113,974.57/623,068.00
  6. Step 6: Final answer
    x = 479,466.31

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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.