Home / 787,072.10-1,181,920.35-522,007.70

Finding the Fourth Proportional to 787,072.10, 1,181,920.35 and 522,007.70

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Solution

The fourth proportional to 787,072.10, 1,181,920.35 and 522,007.70 is: 783,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,072.10 : 1,181,920.35 = 522,007.70 : x
  2. Step 2: Convert to fraction form
    787,072.10/1,181,920.35 = 522,007.70/x
  3. Step 3: Cross multiply
    787,072.10x = 1,181,920.35 × 522,007.70
  4. Step 4: Simplify right side
    787,072.10x = 616,971,523,486.70
  5. Step 5: Solve for x
    x = 616,971,523,486.70/787,072.10
  6. Step 6: Final answer
    x = 783,881.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.