Home / 835,709.58-1,153,279.16-453,736.40

Finding the Fourth Proportional to 835,709.58, 1,153,279.16 and 453,736.40

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Solution

The fourth proportional to 835,709.58, 1,153,279.16 and 453,736.40 is: 626,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,709.58 : 1,153,279.16 = 453,736.40 : x
  2. Step 2: Convert to fraction form
    835,709.58/1,153,279.16 = 453,736.40/x
  3. Step 3: Cross multiply
    835,709.58x = 1,153,279.16 × 453,736.40
  4. Step 4: Simplify right side
    835,709.58x = 523,284,734,253.42
  5. Step 5: Solve for x
    x = 523,284,734,253.42/835,709.58
  6. Step 6: Final answer
    x = 626,156.20

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1.5x scale

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.