Home / 570,916.17-787,867.32-322,559.23

Finding the Fourth Proportional to 570,916.17, 787,867.32 and 322,559.23

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Solution

The fourth proportional to 570,916.17, 787,867.32 and 322,559.23 is: 445,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,916.17 : 787,867.32 = 322,559.23 : x
  2. Step 2: Convert to fraction form
    570,916.17/787,867.32 = 322,559.23/x
  3. Step 3: Cross multiply
    570,916.17x = 787,867.32 × 322,559.23
  4. Step 4: Simplify right side
    570,916.17x = 254,133,876,081.36
  5. Step 5: Solve for x
    x = 254,133,876,081.36/570,916.17
  6. Step 6: Final answer
    x = 445,133.44

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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.