Home / 948,792.59-1,423,187.14-309,095.56

Finding the Fourth Proportional to 948,792.59, 1,423,187.14 and 309,095.56

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Solution

The fourth proportional to 948,792.59, 1,423,187.14 and 309,095.56 is: 463,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,792.59 : 1,423,187.14 = 309,095.56 : x
  2. Step 2: Convert to fraction form
    948,792.59/1,423,187.14 = 309,095.56/x
  3. Step 3: Cross multiply
    948,792.59x = 1,423,187.14 × 309,095.56
  4. Step 4: Simplify right side
    948,792.59x = 439,900,829,741.60
  5. Step 5: Solve for x
    x = 439,900,829,741.60/948,792.59
  6. Step 6: Final answer
    x = 463,642.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.