Home / 836,501.78-1,154,379.53-454,528.53

Finding the Fourth Proportional to 836,501.78, 1,154,379.53 and 454,528.53

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Solution

The fourth proportional to 836,501.78, 1,154,379.53 and 454,528.53 is: 627,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,501.78 : 1,154,379.53 = 454,528.53 : x
  2. Step 2: Convert to fraction form
    836,501.78/1,154,379.53 = 454,528.53/x
  3. Step 3: Cross multiply
    836,501.78x = 1,154,379.53 × 454,528.53
  4. Step 4: Simplify right side
    836,501.78x = 524,698,431,969.31
  5. Step 5: Solve for x
    x = 524,698,431,969.31/836,501.78
  6. Step 6: Final answer
    x = 627,253.21

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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.