Home / 910,618.40-1,256,759.69-757,386.25

Finding the Fourth Proportional to 910,618.40, 1,256,759.69 and 757,386.25

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Solution

The fourth proportional to 910,618.40, 1,256,759.69 and 757,386.25 is: 1,045,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,618.40 : 1,256,759.69 = 757,386.25 : x
  2. Step 2: Convert to fraction form
    910,618.40/1,256,759.69 = 757,386.25/x
  3. Step 3: Cross multiply
    910,618.40x = 1,256,759.69 × 757,386.25
  4. Step 4: Simplify right side
    910,618.40x = 951,852,501,831.43
  5. Step 5: Solve for x
    x = 951,852,501,831.43/910,618.40
  6. Step 6: Final answer
    x = 1,045,281.43

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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.