Home / 622,399.01-858,937.04-346,756.61

Finding the Fourth Proportional to 622,399.01, 858,937.04 and 346,756.61

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Solution

The fourth proportional to 622,399.01, 858,937.04 and 346,756.61 is: 478,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,399.01 : 858,937.04 = 346,756.61 : x
  2. Step 2: Convert to fraction form
    622,399.01/858,937.04 = 346,756.61/x
  3. Step 3: Cross multiply
    622,399.01x = 858,937.04 × 346,756.61
  4. Step 4: Simplify right side
    622,399.01x = 297,842,097,681.07
  5. Step 5: Solve for x
    x = 297,842,097,681.07/622,399.01
  6. Step 6: Final answer
    x = 478,538.84

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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.