Home / 572,124.16-789,536.01-317,479.60

Finding the Fourth Proportional to 572,124.16, 789,536.01 and 317,479.60

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Solution

The fourth proportional to 572,124.16, 789,536.01 and 317,479.60 is: 438,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,124.16 : 789,536.01 = 317,479.60 : x
  2. Step 2: Convert to fraction form
    572,124.16/789,536.01 = 317,479.60/x
  3. Step 3: Cross multiply
    572,124.16x = 789,536.01 × 317,479.60
  4. Step 4: Simplify right side
    572,124.16x = 250,661,577,032.04
  5. Step 5: Solve for x
    x = 250,661,577,032.04/572,124.16
  6. Step 6: Final answer
    x = 438,124.44

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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.