Home / 419,020.61-578,261.48-237,740.18

Finding the Fourth Proportional to 419,020.61, 578,261.48 and 237,740.18

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Solution

The fourth proportional to 419,020.61, 578,261.48 and 237,740.18 is: 328,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,020.61 : 578,261.48 = 237,740.18 : x
  2. Step 2: Convert to fraction form
    419,020.61/578,261.48 = 237,740.18/x
  3. Step 3: Cross multiply
    419,020.61x = 578,261.48 × 237,740.18
  4. Step 4: Simplify right side
    419,020.61x = 137,475,984,262.26
  5. Step 5: Solve for x
    x = 137,475,984,262.26/419,020.61
  6. Step 6: Final answer
    x = 328,088.84

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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.