Home / 1,015,543.20-1,401,446.70-562,834.20

Finding the Fourth Proportional to 1,015,543.20, 1,401,446.70 and 562,834.20

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Solution

The fourth proportional to 1,015,543.20, 1,401,446.70 and 562,834.20 is: 776,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,543.20 : 1,401,446.70 = 562,834.20 : x
  2. Step 2: Convert to fraction form
    1,015,543.20/1,401,446.70 = 562,834.20/x
  3. Step 3: Cross multiply
    1,015,543.20x = 1,401,446.70 × 562,834.20
  4. Step 4: Simplify right side
    1,015,543.20x = 788,782,132,237.14
  5. Step 5: Solve for x
    x = 788,782,132,237.14/1,015,543.20
  6. Step 6: Final answer
    x = 776,709.58

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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.