Home / 621,749.19-858,045.39-367,094.91

Finding the Fourth Proportional to 621,749.19, 858,045.39 and 367,094.91

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Solution

The fourth proportional to 621,749.19, 858,045.39 and 367,094.91 is: 506,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,749.19 : 858,045.39 = 367,094.91 : x
  2. Step 2: Convert to fraction form
    621,749.19/858,045.39 = 367,094.91/x
  3. Step 3: Cross multiply
    621,749.19x = 858,045.39 × 367,094.91
  4. Step 4: Simplify right side
    621,749.19x = 314,984,095,217.97
  5. Step 5: Solve for x
    x = 314,984,095,217.97/621,749.19
  6. Step 6: Final answer
    x = 506,609.58

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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.