Home / 623,054.85-859,815.18-336,574.86

Finding the Fourth Proportional to 623,054.85, 859,815.18 and 336,574.86

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Solution

The fourth proportional to 623,054.85, 859,815.18 and 336,574.86 is: 464,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,054.85 : 859,815.18 = 336,574.86 : x
  2. Step 2: Convert to fraction form
    623,054.85/859,815.18 = 336,574.86/x
  3. Step 3: Cross multiply
    623,054.85x = 859,815.18 × 336,574.86
  4. Step 4: Simplify right side
    623,054.85x = 289,392,173,834.38
  5. Step 5: Solve for x
    x = 289,392,173,834.38/623,054.85
  6. Step 6: Final answer
    x = 464,473.03

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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.