Home / 913,514.10-1,260,634.14-505,607.22

Finding the Fourth Proportional to 913,514.10, 1,260,634.14 and 505,607.22

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Solution

The fourth proportional to 913,514.10, 1,260,634.14 and 505,607.22 is: 697,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,514.10 : 1,260,634.14 = 505,607.22 : x
  2. Step 2: Convert to fraction form
    913,514.10/1,260,634.14 = 505,607.22/x
  3. Step 3: Cross multiply
    913,514.10x = 1,260,634.14 × 505,607.22
  4. Step 4: Simplify right side
    913,514.10x = 637,385,722,962.49
  5. Step 5: Solve for x
    x = 637,385,722,962.49/913,514.10
  6. Step 6: Final answer
    x = 697,729.49

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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.