Home / 989,092.80-1,485,194.40-569,188.80

Finding the Fourth Proportional to 989,092.80, 1,485,194.40 and 569,188.80

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Solution

The fourth proportional to 989,092.80, 1,485,194.40 and 569,188.80 is: 854,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,092.80 : 1,485,194.40 = 569,188.80 : x
  2. Step 2: Convert to fraction form
    989,092.80/1,485,194.40 = 569,188.80/x
  3. Step 3: Cross multiply
    989,092.80x = 1,485,194.40 × 569,188.80
  4. Step 4: Simplify right side
    989,092.80x = 845,356,018,302.72
  5. Step 5: Solve for x
    x = 845,356,018,302.72/989,092.80
  6. Step 6: Final answer
    x = 854,678.16

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1.5x scale

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.