Home / 913,314.92-1,369,944-433,887.75

Finding the Fourth Proportional to 913,314.92, 1,369,944 and 433,887.75

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Solution

The fourth proportional to 913,314.92, 1,369,944 and 433,887.75 is: 650,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,314.92 : 1,369,944 = 433,887.75 : x
  2. Step 2: Convert to fraction form
    913,314.92/1,369,944 = 433,887.75/x
  3. Step 3: Cross multiply
    913,314.92x = 1,369,944 × 433,887.75
  4. Step 4: Simplify right side
    913,314.92x = 594,401,919,786
  5. Step 5: Solve for x
    x = 594,401,919,786/913,314.92
  6. Step 6: Final answer
    x = 650,818.15

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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.