Home / 661,941.81-910,613.21-579,900.62

Finding the Fourth Proportional to 661,941.81, 910,613.21 and 579,900.62

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Solution

The fourth proportional to 661,941.81, 910,613.21 and 579,900.62 is: 797,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,941.81 : 910,613.21 = 579,900.62 : x
  2. Step 2: Convert to fraction form
    661,941.81/910,613.21 = 579,900.62/x
  3. Step 3: Cross multiply
    661,941.81x = 910,613.21 × 579,900.62
  4. Step 4: Simplify right side
    661,941.81x = 528,065,164,436.22
  5. Step 5: Solve for x
    x = 528,065,164,436.22/661,941.81
  6. Step 6: Final answer
    x = 797,751.64

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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.