Home / 912,268.59-1,258,927.50-509,860.59

Finding the Fourth Proportional to 912,268.59, 1,258,927.50 and 509,860.59

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Solution

The fourth proportional to 912,268.59, 1,258,927.50 and 509,860.59 is: 703,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,268.59 : 1,258,927.50 = 509,860.59 : x
  2. Step 2: Convert to fraction form
    912,268.59/1,258,927.50 = 509,860.59/x
  3. Step 3: Cross multiply
    912,268.59x = 1,258,927.50 × 509,860.59
  4. Step 4: Simplify right side
    912,268.59x = 641,877,517,917.23
  5. Step 5: Solve for x
    x = 641,877,517,917.23/912,268.59
  6. Step 6: Final answer
    x = 703,605.85

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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.