Home / 835,820.91-1,153,437.57-453,847.79

Finding the Fourth Proportional to 835,820.91, 1,153,437.57 and 453,847.79

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Solution

The fourth proportional to 835,820.91, 1,153,437.57 and 453,847.79 is: 626,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,820.91 : 1,153,437.57 = 453,847.79 : x
  2. Step 2: Convert to fraction form
    835,820.91/1,153,437.57 = 453,847.79/x
  3. Step 3: Cross multiply
    835,820.91x = 1,153,437.57 × 453,847.79
  4. Step 4: Simplify right side
    835,820.91x = 523,485,094,931.06
  5. Step 5: Solve for x
    x = 523,485,094,931.06/835,820.91
  6. Step 6: Final answer
    x = 626,312.51

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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.