Home / 1,621,832.36-2,238,038.28-896,637.74

Finding the Fourth Proportional to 1,621,832.36, 2,238,038.28 and 896,637.74

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Solution

The fourth proportional to 1,621,832.36, 2,238,038.28 and 896,637.74 is: 1,237,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,832.36 : 2,238,038.28 = 896,637.74 : x
  2. Step 2: Convert to fraction form
    1,621,832.36/2,238,038.28 = 896,637.74/x
  3. Step 3: Cross multiply
    1,621,832.36x = 2,238,038.28 × 896,637.74
  4. Step 4: Simplify right side
    1,621,832.36x = 2,006,709,574,222.50
  5. Step 5: Solve for x
    x = 2,006,709,574,222.50/1,621,832.36
  6. Step 6: Final answer
    x = 1,237,310.11

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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.