Home / 769,547.40-1,153,008.90-656,698.20

Finding the Fourth Proportional to 769,547.40, 1,153,008.90 and 656,698.20

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Solution

The fourth proportional to 769,547.40, 1,153,008.90 and 656,698.20 is: 983,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,547.40 : 1,153,008.90 = 656,698.20 : x
  2. Step 2: Convert to fraction form
    769,547.40/1,153,008.90 = 656,698.20/x
  3. Step 3: Cross multiply
    769,547.40x = 1,153,008.90 × 656,698.20
  4. Step 4: Simplify right side
    769,547.40x = 757,178,869,213.98
  5. Step 5: Solve for x
    x = 757,178,869,213.98/769,547.40
  6. Step 6: Final answer
    x = 983,927.53

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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.