Home / 469,928.59-648,502.05-255,068.60

Finding the Fourth Proportional to 469,928.59, 648,502.05 and 255,068.60

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Solution

The fourth proportional to 469,928.59, 648,502.05 and 255,068.60 is: 351,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.59 : 648,502.05 = 255,068.60 : x
  2. Step 2: Convert to fraction form
    469,928.59/648,502.05 = 255,068.60/x
  3. Step 3: Cross multiply
    469,928.59x = 648,502.05 × 255,068.60
  4. Step 4: Simplify right side
    469,928.59x = 165,412,506,748.12
  5. Step 5: Solve for x
    x = 165,412,506,748.12/469,928.59
  6. Step 6: Final answer
    x = 351,994.99

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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.