Home / 877,658.04-1,316,499.30-309,057.48

Finding the Fourth Proportional to 877,658.04, 1,316,499.30 and 309,057.48

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Solution

The fourth proportional to 877,658.04, 1,316,499.30 and 309,057.48 is: 463,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,658.04 : 1,316,499.30 = 309,057.48 : x
  2. Step 2: Convert to fraction form
    877,658.04/1,316,499.30 = 309,057.48/x
  3. Step 3: Cross multiply
    877,658.04x = 1,316,499.30 × 309,057.48
  4. Step 4: Simplify right side
    877,658.04x = 406,873,956,079.76
  5. Step 5: Solve for x
    x = 406,873,956,079.76/877,658.04
  6. Step 6: Final answer
    x = 463,590.53

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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.