Home / 913,332.38-1,260,401.14-505,462.38

Finding the Fourth Proportional to 913,332.38, 1,260,401.14 and 505,462.38

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Solution

The fourth proportional to 913,332.38, 1,260,401.14 and 505,462.38 is: 697,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,332.38 : 1,260,401.14 = 505,462.38 : x
  2. Step 2: Convert to fraction form
    913,332.38/1,260,401.14 = 505,462.38/x
  3. Step 3: Cross multiply
    913,332.38x = 1,260,401.14 × 505,462.38
  4. Step 4: Simplify right side
    913,332.38x = 637,085,359,979.11
  5. Step 5: Solve for x
    x = 637,085,359,979.11/913,332.38
  6. Step 6: Final answer
    x = 697,539.44

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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.