Home / 832,172.78-1,148,395.62-450,199.64

Finding the Fourth Proportional to 832,172.78, 1,148,395.62 and 450,199.64

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Solution

The fourth proportional to 832,172.78, 1,148,395.62 and 450,199.64 is: 621,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,172.78 : 1,148,395.62 = 450,199.64 : x
  2. Step 2: Convert to fraction form
    832,172.78/1,148,395.62 = 450,199.64/x
  3. Step 3: Cross multiply
    832,172.78x = 1,148,395.62 × 450,199.64
  4. Step 4: Simplify right side
    832,172.78x = 517,007,294,701.58
  5. Step 5: Solve for x
    x = 517,007,294,701.58/832,172.78
  6. Step 6: Final answer
    x = 621,273.98

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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.