Home / 556,810.04-768,399.87-302,161.16

Finding the Fourth Proportional to 556,810.04, 768,399.87 and 302,161.16

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Solution

The fourth proportional to 556,810.04, 768,399.87 and 302,161.16 is: 416,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,810.04 : 768,399.87 = 302,161.16 : x
  2. Step 2: Convert to fraction form
    556,810.04/768,399.87 = 302,161.16/x
  3. Step 3: Cross multiply
    556,810.04x = 768,399.87 × 302,161.16
  4. Step 4: Simplify right side
    556,810.04x = 232,180,592,221.05
  5. Step 5: Solve for x
    x = 232,180,592,221.05/556,810.04
  6. Step 6: Final answer
    x = 416,983.49

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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.