Home / 916,390.71-1,374,033.65-410,860.26

Finding the Fourth Proportional to 916,390.71, 1,374,033.65 and 410,860.26

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Solution

The fourth proportional to 916,390.71, 1,374,033.65 and 410,860.26 is: 616,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,390.71 : 1,374,033.65 = 410,860.26 : x
  2. Step 2: Convert to fraction form
    916,390.71/1,374,033.65 = 410,860.26/x
  3. Step 3: Cross multiply
    916,390.71x = 1,374,033.65 × 410,860.26
  4. Step 4: Simplify right side
    916,390.71x = 564,535,820,633.45
  5. Step 5: Solve for x
    x = 564,535,820,633.45/916,390.71
  6. Step 6: Final answer
    x = 616,042.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.