Home / 830,003.10-1,243,255.05-830,003.10

Finding the Fourth Proportional to 830,003.10, 1,243,255.05 and 830,003.10

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Solution

The fourth proportional to 830,003.10, 1,243,255.05 and 830,003.10 is: 1,243,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,003.10 : 1,243,255.05 = 830,003.10 : x
  2. Step 2: Convert to fraction form
    830,003.10/1,243,255.05 = 830,003.10/x
  3. Step 3: Cross multiply
    830,003.10x = 1,243,255.05 × 830,003.10
  4. Step 4: Simplify right side
    830,003.10x = 1,031,905,545,590.66
  5. Step 5: Solve for x
    x = 1,031,905,545,590.66/830,003.10
  6. Step 6: Final answer
    x = 1,243,255.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.