Home / 1,053,515.10-1,453,840.71-570,069.66

Finding the Fourth Proportional to 1,053,515.10, 1,453,840.71 and 570,069.66

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Solution

The fourth proportional to 1,053,515.10, 1,453,840.71 and 570,069.66 is: 786,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,515.10 : 1,453,840.71 = 570,069.66 : x
  2. Step 2: Convert to fraction form
    1,053,515.10/1,453,840.71 = 570,069.66/x
  3. Step 3: Cross multiply
    1,053,515.10x = 1,453,840.71 × 570,069.66
  4. Step 4: Simplify right side
    1,053,515.10x = 828,790,479,243.86
  5. Step 5: Solve for x
    x = 828,790,479,243.86/1,053,515.10
  6. Step 6: Final answer
    x = 786,690.65

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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.