Home / 989,213.04-1,365,726.32-759,330.18

Finding the Fourth Proportional to 989,213.04, 1,365,726.32 and 759,330.18

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Solution

The fourth proportional to 989,213.04, 1,365,726.32 and 759,330.18 is: 1,048,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,213.04 : 1,365,726.32 = 759,330.18 : x
  2. Step 2: Convert to fraction form
    989,213.04/1,365,726.32 = 759,330.18/x
  3. Step 3: Cross multiply
    989,213.04x = 1,365,726.32 × 759,330.18
  4. Step 4: Simplify right side
    989,213.04x = 1,037,037,211,447.18
  5. Step 5: Solve for x
    x = 1,037,037,211,447.18/989,213.04
  6. Step 6: Final answer
    x = 1,048,345.67

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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.