Home / 653,220.69-901,421.40-366,752.85

Finding the Fourth Proportional to 653,220.69, 901,421.40 and 366,752.85

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Solution

The fourth proportional to 653,220.69, 901,421.40 and 366,752.85 is: 506,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,220.69 : 901,421.40 = 366,752.85 : x
  2. Step 2: Convert to fraction form
    653,220.69/901,421.40 = 366,752.85/x
  3. Step 3: Cross multiply
    653,220.69x = 901,421.40 × 366,752.85
  4. Step 4: Simplify right side
    653,220.69x = 330,598,867,500.99
  5. Step 5: Solve for x
    x = 330,598,867,500.99/653,220.69
  6. Step 6: Final answer
    x = 506,105.93

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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.