Home / 750,768.40-1,036,055.24-406,596.40

Finding the Fourth Proportional to 750,768.40, 1,036,055.24 and 406,596.40

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Solution

The fourth proportional to 750,768.40, 1,036,055.24 and 406,596.40 is: 561,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,768.40 : 1,036,055.24 = 406,596.40 : x
  2. Step 2: Convert to fraction form
    750,768.40/1,036,055.24 = 406,596.40/x
  3. Step 3: Cross multiply
    750,768.40x = 1,036,055.24 × 406,596.40
  4. Step 4: Simplify right side
    750,768.40x = 421,256,330,785.14
  5. Step 5: Solve for x
    x = 421,256,330,785.14/750,768.40
  6. Step 6: Final answer
    x = 561,100.24

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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.