Home / 917,995.10-1,266,808.06-510,086.46

Finding the Fourth Proportional to 917,995.10, 1,266,808.06 and 510,086.46

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Solution

The fourth proportional to 917,995.10, 1,266,808.06 and 510,086.46 is: 703,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,995.10 : 1,266,808.06 = 510,086.46 : x
  2. Step 2: Convert to fraction form
    917,995.10/1,266,808.06 = 510,086.46/x
  3. Step 3: Cross multiply
    917,995.10x = 1,266,808.06 × 510,086.46
  4. Step 4: Simplify right side
    917,995.10x = 646,181,641,343.77
  5. Step 5: Solve for x
    x = 646,181,641,343.77/917,995.10
  6. Step 6: Final answer
    x = 703,905.33

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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.