Home / 917,961.16-1,266,783.42-510,061.36

Finding the Fourth Proportional to 917,961.16, 1,266,783.42 and 510,061.36

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Solution

The fourth proportional to 917,961.16, 1,266,783.42 and 510,061.36 is: 703,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,961.16 : 1,266,783.42 = 510,061.36 : x
  2. Step 2: Convert to fraction form
    917,961.16/1,266,783.42 = 510,061.36/x
  3. Step 3: Cross multiply
    917,961.16x = 1,266,783.42 × 510,061.36
  4. Step 4: Simplify right side
    917,961.16x = 646,137,274,030.65
  5. Step 5: Solve for x
    x = 646,137,274,030.65/917,961.16
  6. Step 6: Final answer
    x = 703,883.02

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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.