Home / 877,805.25-1,211,371.25-475,397.25

Finding the Fourth Proportional to 877,805.25, 1,211,371.25 and 475,397.25

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Solution

The fourth proportional to 877,805.25, 1,211,371.25 and 475,397.25 is: 656,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,805.25 : 1,211,371.25 = 475,397.25 : x
  2. Step 2: Convert to fraction form
    877,805.25/1,211,371.25 = 475,397.25/x
  3. Step 3: Cross multiply
    877,805.25x = 1,211,371.25 × 475,397.25
  4. Step 4: Simplify right side
    877,805.25x = 575,882,558,602.08
  5. Step 5: Solve for x
    x = 575,882,558,602.08/877,805.25
  6. Step 6: Final answer
    x = 656,048.21

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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.