Home / 556,820.04-768,412.14-302,171.20

Finding the Fourth Proportional to 556,820.04, 768,412.14 and 302,171.20

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Solution

The fourth proportional to 556,820.04, 768,412.14 and 302,171.20 is: 416,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,820.04 : 768,412.14 = 302,171.20 : x
  2. Step 2: Convert to fraction form
    556,820.04/768,412.14 = 302,171.20/x
  3. Step 3: Cross multiply
    556,820.04x = 768,412.14 × 302,171.20
  4. Step 4: Simplify right side
    556,820.04x = 232,192,018,438.37
  5. Step 5: Solve for x
    x = 232,192,018,438.37/556,820.04
  6. Step 6: Final answer
    x = 416,996.52

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1.5x scale

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.