Home / 1,009,702.82-1,393,264.80-617,432.93

Finding the Fourth Proportional to 1,009,702.82, 1,393,264.80 and 617,432.93

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Solution

The fourth proportional to 1,009,702.82, 1,393,264.80 and 617,432.93 is: 851,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,702.82 : 1,393,264.80 = 617,432.93 : x
  2. Step 2: Convert to fraction form
    1,009,702.82/1,393,264.80 = 617,432.93/x
  3. Step 3: Cross multiply
    1,009,702.82x = 1,393,264.80 × 617,432.93
  4. Step 4: Simplify right side
    1,009,702.82x = 860,247,565,988.28
  5. Step 5: Solve for x
    x = 860,247,565,988.28/1,009,702.82
  6. Step 6: Final answer
    x = 851,980.95

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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.