Home / 736,505.51-1,016,034.32-478,364.09

Finding the Fourth Proportional to 736,505.51, 1,016,034.32 and 478,364.09

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Solution

The fourth proportional to 736,505.51, 1,016,034.32 and 478,364.09 is: 659,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,505.51 : 1,016,034.32 = 478,364.09 : x
  2. Step 2: Convert to fraction form
    736,505.51/1,016,034.32 = 478,364.09/x
  3. Step 3: Cross multiply
    736,505.51x = 1,016,034.32 × 478,364.09
  4. Step 4: Simplify right side
    736,505.51x = 486,034,330,503.75
  5. Step 5: Solve for x
    x = 486,034,330,503.75/736,505.51
  6. Step 6: Final answer
    x = 659,919.48

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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.