Home / 1,510,430.80-2,263,677.90-611,136.40

Finding the Fourth Proportional to 1,510,430.80, 2,263,677.90 and 611,136.40

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Solution

The fourth proportional to 1,510,430.80, 2,263,677.90 and 611,136.40 is: 915,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,430.80 : 2,263,677.90 = 611,136.40 : x
  2. Step 2: Convert to fraction form
    1,510,430.80/2,263,677.90 = 611,136.40/x
  3. Step 3: Cross multiply
    1,510,430.80x = 2,263,677.90 × 611,136.40
  4. Step 4: Simplify right side
    1,510,430.80x = 1,383,415,962,565.56
  5. Step 5: Solve for x
    x = 1,383,415,962,565.56/1,510,430.80
  6. Step 6: Final answer
    x = 915,908.20

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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.