Home / 1,638,256.65-2,260,804.67-913,150.35

Finding the Fourth Proportional to 1,638,256.65, 2,260,804.67 and 913,150.35

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Solution

The fourth proportional to 1,638,256.65, 2,260,804.67 and 913,150.35 is: 1,260,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,256.65 : 2,260,804.67 = 913,150.35 : x
  2. Step 2: Convert to fraction form
    1,638,256.65/2,260,804.67 = 913,150.35/x
  3. Step 3: Cross multiply
    1,638,256.65x = 2,260,804.67 × 913,150.35
  4. Step 4: Simplify right side
    1,638,256.65x = 2,064,454,571,126.38
  5. Step 5: Solve for x
    x = 2,064,454,571,126.38/1,638,256.65
  6. Step 6: Final answer
    x = 1,260,153.33

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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.