Home / 1,230,640.81-1,698,274.44-714,442.60

Finding the Fourth Proportional to 1,230,640.81, 1,698,274.44 and 714,442.60

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Solution

The fourth proportional to 1,230,640.81, 1,698,274.44 and 714,442.60 is: 985,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,640.81 : 1,698,274.44 = 714,442.60 : x
  2. Step 2: Convert to fraction form
    1,230,640.81/1,698,274.44 = 714,442.60/x
  3. Step 3: Cross multiply
    1,230,640.81x = 1,698,274.44 × 714,442.60
  4. Step 4: Simplify right side
    1,230,640.81x = 1,213,319,606,427.14
  5. Step 5: Solve for x
    x = 1,213,319,606,427.14/1,230,640.81
  6. Step 6: Final answer
    x = 985,925.05

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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.