Home / 947,215.16-1,307,587.05-603,522.30

Finding the Fourth Proportional to 947,215.16, 1,307,587.05 and 603,522.30

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Solution

The fourth proportional to 947,215.16, 1,307,587.05 and 603,522.30 is: 833,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,215.16 : 1,307,587.05 = 603,522.30 : x
  2. Step 2: Convert to fraction form
    947,215.16/1,307,587.05 = 603,522.30/x
  3. Step 3: Cross multiply
    947,215.16x = 1,307,587.05 × 603,522.30
  4. Step 4: Simplify right side
    947,215.16x = 789,157,944,243.45
  5. Step 5: Solve for x
    x = 789,157,944,243.45/947,215.16
  6. Step 6: Final answer
    x = 833,134.83

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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.