Home / 641,190.93-885,596.35-512,574.82

Finding the Fourth Proportional to 641,190.93, 885,596.35 and 512,574.82

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Solution

The fourth proportional to 641,190.93, 885,596.35 and 512,574.82 is: 707,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,190.93 : 885,596.35 = 512,574.82 : x
  2. Step 2: Convert to fraction form
    641,190.93/885,596.35 = 512,574.82/x
  3. Step 3: Cross multiply
    641,190.93x = 885,596.35 × 512,574.82
  4. Step 4: Simplify right side
    641,190.93x = 453,934,389,693.91
  5. Step 5: Solve for x
    x = 453,934,389,693.91/641,190.93
  6. Step 6: Final answer
    x = 707,955.10

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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.