Home / 692,514.36-948,740.20-666,617.84

Finding the Fourth Proportional to 692,514.36, 948,740.20 and 666,617.84

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Solution

The fourth proportional to 692,514.36, 948,740.20 and 666,617.84 is: 913,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,514.36 : 948,740.20 = 666,617.84 : x
  2. Step 2: Convert to fraction form
    692,514.36/948,740.20 = 666,617.84/x
  3. Step 3: Cross multiply
    692,514.36x = 948,740.20 × 666,617.84
  4. Step 4: Simplify right side
    692,514.36x = 632,447,142,845.17
  5. Step 5: Solve for x
    x = 632,447,142,845.17/692,514.36
  6. Step 6: Final answer
    x = 913,262.13

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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.