Home / 935,801.40-1,403,702.10-921,804.60

Finding the Fourth Proportional to 935,801.40, 1,403,702.10 and 921,804.60

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Solution

The fourth proportional to 935,801.40, 1,403,702.10 and 921,804.60 is: 1,382,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,801.40 : 1,403,702.10 = 921,804.60 : x
  2. Step 2: Convert to fraction form
    935,801.40/1,403,702.10 = 921,804.60/x
  3. Step 3: Cross multiply
    935,801.40x = 1,403,702.10 × 921,804.60
  4. Step 4: Simplify right side
    935,801.40x = 1,293,939,052,809.66
  5. Step 5: Solve for x
    x = 1,293,939,052,809.66/935,801.40
  6. Step 6: Final answer
    x = 1,382,706.90

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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.