Home / 985,640.08-1,360,127.46-555,894.52

Finding the Fourth Proportional to 985,640.08, 1,360,127.46 and 555,894.52

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Solution

The fourth proportional to 985,640.08, 1,360,127.46 and 555,894.52 is: 767,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,640.08 : 1,360,127.46 = 555,894.52 : x
  2. Step 2: Convert to fraction form
    985,640.08/1,360,127.46 = 555,894.52/x
  3. Step 3: Cross multiply
    985,640.08x = 1,360,127.46 × 555,894.52
  4. Step 4: Simplify right side
    985,640.08x = 756,087,401,515.52
  5. Step 5: Solve for x
    x = 756,087,401,515.52/985,640.08
  6. Step 6: Final answer
    x = 767,102.94

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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.