Home / 692,513.85-948,739.52-666,617.34

Finding the Fourth Proportional to 692,513.85, 948,739.52 and 666,617.34

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Solution

The fourth proportional to 692,513.85, 948,739.52 and 666,617.34 is: 913,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,513.85 : 948,739.52 = 666,617.34 : x
  2. Step 2: Convert to fraction form
    692,513.85/948,739.52 = 666,617.34/x
  3. Step 3: Cross multiply
    692,513.85x = 948,739.52 × 666,617.34
  4. Step 4: Simplify right side
    692,513.85x = 632,446,211,842.19
  5. Step 5: Solve for x
    x = 632,446,211,842.19/692,513.85
  6. Step 6: Final answer
    x = 913,261.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.