Home / 1,421,460.04-2,132,559.34-424,188.04

Finding the Fourth Proportional to 1,421,460.04, 2,132,559.34 and 424,188.04

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Solution

The fourth proportional to 1,421,460.04, 2,132,559.34 and 424,188.04 is: 636,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,460.04 : 2,132,559.34 = 424,188.04 : x
  2. Step 2: Convert to fraction form
    1,421,460.04/2,132,559.34 = 424,188.04/x
  3. Step 3: Cross multiply
    1,421,460.04x = 2,132,559.34 × 424,188.04
  4. Step 4: Simplify right side
    1,421,460.04x = 904,606,166,618.29
  5. Step 5: Solve for x
    x = 904,606,166,618.29/1,421,460.04
  6. Step 6: Final answer
    x = 636,392.26

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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.