Home / 934,221.40-1,401,332.10-816,123.40

Finding the Fourth Proportional to 934,221.40, 1,401,332.10 and 816,123.40

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Solution

The fourth proportional to 934,221.40, 1,401,332.10 and 816,123.40 is: 1,224,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,221.40 : 1,401,332.10 = 816,123.40 : x
  2. Step 2: Convert to fraction form
    934,221.40/1,401,332.10 = 816,123.40/x
  3. Step 3: Cross multiply
    934,221.40x = 1,401,332.10 × 816,123.40
  4. Step 4: Simplify right side
    934,221.40x = 1,143,659,917,981.14
  5. Step 5: Solve for x
    x = 1,143,659,917,981.14/934,221.40
  6. Step 6: Final answer
    x = 1,224,185.10

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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.