Home / 1,638,259.02-2,260,807.93-913,152.71

Finding the Fourth Proportional to 1,638,259.02, 2,260,807.93 and 913,152.71

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Solution

The fourth proportional to 1,638,259.02, 2,260,807.93 and 913,152.71 is: 1,260,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,259.02 : 2,260,807.93 = 913,152.71 : x
  2. Step 2: Convert to fraction form
    1,638,259.02/2,260,807.93 = 913,152.71/x
  3. Step 3: Cross multiply
    1,638,259.02x = 2,260,807.93 × 913,152.71
  4. Step 4: Simplify right side
    1,638,259.02x = 2,064,462,876,764.95
  5. Step 5: Solve for x
    x = 2,064,462,876,764.95/1,638,259.02
  6. Step 6: Final answer
    x = 1,260,156.58

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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.