Home / 1,018,103.11-1,525,390.65-617,905.33

Finding the Fourth Proportional to 1,018,103.11, 1,525,390.65 and 617,905.33

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Solution

The fourth proportional to 1,018,103.11, 1,525,390.65 and 617,905.33 is: 925,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,103.11 : 1,525,390.65 = 617,905.33 : x
  2. Step 2: Convert to fraction form
    1,018,103.11/1,525,390.65 = 617,905.33/x
  3. Step 3: Cross multiply
    1,018,103.11x = 1,525,390.65 × 617,905.33
  4. Step 4: Simplify right side
    1,018,103.11x = 942,547,012,967.16
  5. Step 5: Solve for x
    x = 942,547,012,967.16/1,018,103.11
  6. Step 6: Final answer
    x = 925,787.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.