Home / 1,328,810.72-1,834,325.61-893,480.40

Finding the Fourth Proportional to 1,328,810.72, 1,834,325.61 and 893,480.40

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Solution

The fourth proportional to 1,328,810.72, 1,834,325.61 and 893,480.40 is: 1,233,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,810.72 : 1,834,325.61 = 893,480.40 : x
  2. Step 2: Convert to fraction form
    1,328,810.72/1,834,325.61 = 893,480.40/x
  3. Step 3: Cross multiply
    1,328,810.72x = 1,834,325.61 × 893,480.40
  4. Step 4: Simplify right side
    1,328,810.72x = 1,638,933,979,753.04
  5. Step 5: Solve for x
    x = 1,638,933,979,753.04/1,328,810.72
  6. Step 6: Final answer
    x = 1,233,384.08

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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.