Home / 912,575.50-1,368,895.01-313,532.27

Finding the Fourth Proportional to 912,575.50, 1,368,895.01 and 313,532.27

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Solution

The fourth proportional to 912,575.50, 1,368,895.01 and 313,532.27 is: 470,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,575.50 : 1,368,895.01 = 313,532.27 : x
  2. Step 2: Convert to fraction form
    912,575.50/1,368,895.01 = 313,532.27/x
  3. Step 3: Cross multiply
    912,575.50x = 1,368,895.01 × 313,532.27
  4. Step 4: Simplify right side
    912,575.50x = 429,192,756,598.19
  5. Step 5: Solve for x
    x = 429,192,756,598.19/912,575.50
  6. Step 6: Final answer
    x = 470,309.31

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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.