Home / 904,837.84-1,357,486.49-418,870.34

Finding the Fourth Proportional to 904,837.84, 1,357,486.49 and 418,870.34

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Solution

The fourth proportional to 904,837.84, 1,357,486.49 and 418,870.34 is: 628,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,837.84 : 1,357,486.49 = 418,870.34 : x
  2. Step 2: Convert to fraction form
    904,837.84/1,357,486.49 = 418,870.34/x
  3. Step 3: Cross multiply
    904,837.84x = 1,357,486.49 × 418,870.34
  4. Step 4: Simplify right side
    904,837.84x = 568,610,826,962.02
  5. Step 5: Solve for x
    x = 568,610,826,962.02/904,837.84
  6. Step 6: Final answer
    x = 628,411.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.