Home / 623,126.30-859,914.72-336,646.28

Finding the Fourth Proportional to 623,126.30, 859,914.72 and 336,646.28

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Solution

The fourth proportional to 623,126.30, 859,914.72 and 336,646.28 is: 464,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,126.30 : 859,914.72 = 336,646.28 : x
  2. Step 2: Convert to fraction form
    623,126.30/859,914.72 = 336,646.28/x
  3. Step 3: Cross multiply
    623,126.30x = 859,914.72 × 336,646.28
  4. Step 4: Simplify right side
    623,126.30x = 289,487,091,605.24
  5. Step 5: Solve for x
    x = 289,487,091,605.24/623,126.30
  6. Step 6: Final answer
    x = 464,572.10

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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.