Home / 830,401.40-1,243,387.76-830,401.40

Finding the Fourth Proportional to 830,401.40, 1,243,387.76 and 830,401.40

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Solution

The fourth proportional to 830,401.40, 1,243,387.76 and 830,401.40 is: 1,243,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,401.40 : 1,243,387.76 = 830,401.40 : x
  2. Step 2: Convert to fraction form
    830,401.40/1,243,387.76 = 830,401.40/x
  3. Step 3: Cross multiply
    830,401.40x = 1,243,387.76 × 830,401.40
  4. Step 4: Simplify right side
    830,401.40x = 1,032,510,936,646.86
  5. Step 5: Solve for x
    x = 1,032,510,936,646.86/830,401.40
  6. Step 6: Final answer
    x = 1,243,387.76

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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.