Home / 751,088.97-1,036,501.37-406,933.45

Finding the Fourth Proportional to 751,088.97, 1,036,501.37 and 406,933.45

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Solution

The fourth proportional to 751,088.97, 1,036,501.37 and 406,933.45 is: 561,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,088.97 : 1,036,501.37 = 406,933.45 : x
  2. Step 2: Convert to fraction form
    751,088.97/1,036,501.37 = 406,933.45/x
  3. Step 3: Cross multiply
    751,088.97x = 1,036,501.37 × 406,933.45
  4. Step 4: Simplify right side
    751,088.97x = 421,787,075,323.91
  5. Step 5: Solve for x
    x = 421,787,075,323.91/751,088.97
  6. Step 6: Final answer
    x = 561,567.40

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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.