Home / 1,092,598.40-1,638,897.60-1,038,531.20

Finding the Fourth Proportional to 1,092,598.40, 1,638,897.60 and 1,038,531.20

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Solution

The fourth proportional to 1,092,598.40, 1,638,897.60 and 1,038,531.20 is: 1,557,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,598.40 : 1,638,897.60 = 1,038,531.20 : x
  2. Step 2: Convert to fraction form
    1,092,598.40/1,638,897.60 = 1,038,531.20/x
  3. Step 3: Cross multiply
    1,092,598.40x = 1,638,897.60 × 1,038,531.20
  4. Step 4: Simplify right side
    1,092,598.40x = 1,702,046,291,205.12
  5. Step 5: Solve for x
    x = 1,702,046,291,205.12/1,092,598.40
  6. Step 6: Final answer
    x = 1,557,796.80

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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.