Home / 696,899.79-961,605.14-410,476.91

Finding the Fourth Proportional to 696,899.79, 961,605.14 and 410,476.91

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Solution

The fourth proportional to 696,899.79, 961,605.14 and 410,476.91 is: 566,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,899.79 : 961,605.14 = 410,476.91 : x
  2. Step 2: Convert to fraction form
    696,899.79/961,605.14 = 410,476.91/x
  3. Step 3: Cross multiply
    696,899.79x = 961,605.14 × 410,476.91
  4. Step 4: Simplify right side
    696,899.79x = 394,716,699,646.91
  5. Step 5: Solve for x
    x = 394,716,699,646.91/696,899.79
  6. Step 6: Final answer
    x = 566,389.47

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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.