Home / 750,904.74-1,036,249.59-406,744.38

Finding the Fourth Proportional to 750,904.74, 1,036,249.59 and 406,744.38

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Solution

The fourth proportional to 750,904.74, 1,036,249.59 and 406,744.38 is: 561,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,904.74 : 1,036,249.59 = 406,744.38 : x
  2. Step 2: Convert to fraction form
    750,904.74/1,036,249.59 = 406,744.38/x
  3. Step 3: Cross multiply
    750,904.74x = 1,036,249.59 × 406,744.38
  4. Step 4: Simplify right side
    750,904.74x = 421,488,697,009.80
  5. Step 5: Solve for x
    x = 421,488,697,009.80/750,904.74
  6. Step 6: Final answer
    x = 561,307.81

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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.