Home / 917,807.10-1,265,552.80-627,466.11

Finding the Fourth Proportional to 917,807.10, 1,265,552.80 and 627,466.11

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Solution

The fourth proportional to 917,807.10, 1,265,552.80 and 627,466.11 is: 865,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,807.10 : 1,265,552.80 = 627,466.11 : x
  2. Step 2: Convert to fraction form
    917,807.10/1,265,552.80 = 627,466.11/x
  3. Step 3: Cross multiply
    917,807.10x = 1,265,552.80 × 627,466.11
  4. Step 4: Simplify right side
    917,807.10x = 794,091,492,415.61
  5. Step 5: Solve for x
    x = 794,091,492,415.61/917,807.10
  6. Step 6: Final answer
    x = 865,205.22

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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.