Home / 623,127.30-859,916.10-336,647.28

Finding the Fourth Proportional to 623,127.30, 859,916.10 and 336,647.28

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Solution

The fourth proportional to 623,127.30, 859,916.10 and 336,647.28 is: 464,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,127.30 : 859,916.10 = 336,647.28 : x
  2. Step 2: Convert to fraction form
    623,127.30/859,916.10 = 336,647.28/x
  3. Step 3: Cross multiply
    623,127.30x = 859,916.10 × 336,647.28
  4. Step 4: Simplify right side
    623,127.30x = 289,488,416,093.21
  5. Step 5: Solve for x
    x = 289,488,416,093.21/623,127.30
  6. Step 6: Final answer
    x = 464,573.48

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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.