Home / 989,205.60-1,365,112.40-536,496.60

Finding the Fourth Proportional to 989,205.60, 1,365,112.40 and 536,496.60

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Solution

The fourth proportional to 989,205.60, 1,365,112.40 and 536,496.60 is: 740,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,205.60 : 1,365,112.40 = 536,496.60 : x
  2. Step 2: Convert to fraction form
    989,205.60/1,365,112.40 = 536,496.60/x
  3. Step 3: Cross multiply
    989,205.60x = 1,365,112.40 × 536,496.60
  4. Step 4: Simplify right side
    989,205.60x = 732,378,161,217.84
  5. Step 5: Solve for x
    x = 732,378,161,217.84/989,205.60
  6. Step 6: Final answer
    x = 740,370.01

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1.5x scale

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.