Home / 1,663,875.72-2,295,951.01-938,681.10

Finding the Fourth Proportional to 1,663,875.72, 2,295,951.01 and 938,681.10

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Solution

The fourth proportional to 1,663,875.72, 2,295,951.01 and 938,681.10 is: 1,295,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,875.72 : 2,295,951.01 = 938,681.10 : x
  2. Step 2: Convert to fraction form
    1,663,875.72/2,295,951.01 = 938,681.10/x
  3. Step 3: Cross multiply
    1,663,875.72x = 2,295,951.01 × 938,681.10
  4. Step 4: Simplify right side
    1,663,875.72x = 2,155,165,817,266.21
  5. Step 5: Solve for x
    x = 2,155,165,817,266.21/1,663,875.72
  6. Step 6: Final answer
    x = 1,295,268.51

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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.