Home / 683,384.45-943,064.91-373,287.29

Finding the Fourth Proportional to 683,384.45, 943,064.91 and 373,287.29

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Solution

The fourth proportional to 683,384.45, 943,064.91 and 373,287.29 is: 515,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,384.45 : 943,064.91 = 373,287.29 : x
  2. Step 2: Convert to fraction form
    683,384.45/943,064.91 = 373,287.29/x
  3. Step 3: Cross multiply
    683,384.45x = 943,064.91 × 373,287.29
  4. Step 4: Simplify right side
    683,384.45x = 352,034,139,832.67
  5. Step 5: Solve for x
    x = 352,034,139,832.67/683,384.45
  6. Step 6: Final answer
    x = 515,133.38

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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.