Home / 751,026.32-1,036,412.05-406,868.98

Finding the Fourth Proportional to 751,026.32, 1,036,412.05 and 406,868.98

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Solution

The fourth proportional to 751,026.32, 1,036,412.05 and 406,868.98 is: 561,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,026.32 : 1,036,412.05 = 406,868.98 : x
  2. Step 2: Convert to fraction form
    751,026.32/1,036,412.05 = 406,868.98/x
  3. Step 3: Cross multiply
    751,026.32x = 1,036,412.05 × 406,868.98
  4. Step 4: Simplify right side
    751,026.32x = 421,683,913,643.21
  5. Step 5: Solve for x
    x = 421,683,913,643.21/751,026.32
  6. Step 6: Final answer
    x = 561,476.88

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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.