Home / 1,242,233.64-1,714,266-690,945.60

Finding the Fourth Proportional to 1,242,233.64, 1,714,266 and 690,945.60

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Solution

The fourth proportional to 1,242,233.64, 1,714,266 and 690,945.60 is: 953,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,233.64 : 1,714,266 = 690,945.60 : x
  2. Step 2: Convert to fraction form
    1,242,233.64/1,714,266 = 690,945.60/x
  3. Step 3: Cross multiply
    1,242,233.64x = 1,714,266 × 690,945.60
  4. Step 4: Simplify right side
    1,242,233.64x = 1,184,464,549,929.60
  5. Step 5: Solve for x
    x = 1,184,464,549,929.60/1,242,233.64
  6. Step 6: Final answer
    x = 953,495.79

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Double scale
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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.