Home / 913,852.68-1,261,116.54-511,444.68

Finding the Fourth Proportional to 913,852.68, 1,261,116.54 and 511,444.68

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Solution

The fourth proportional to 913,852.68, 1,261,116.54 and 511,444.68 is: 705,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,852.68 : 1,261,116.54 = 511,444.68 : x
  2. Step 2: Convert to fraction form
    913,852.68/1,261,116.54 = 511,444.68/x
  3. Step 3: Cross multiply
    913,852.68x = 1,261,116.54 × 511,444.68
  4. Step 4: Simplify right side
    913,852.68x = 644,991,345,243.01
  5. Step 5: Solve for x
    x = 644,991,345,243.01/913,852.68
  6. Step 6: Final answer
    x = 705,793.57

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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.