Home / 877,839.60-1,211,418.63-475,431.60

Finding the Fourth Proportional to 877,839.60, 1,211,418.63 and 475,431.60

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Solution

The fourth proportional to 877,839.60, 1,211,418.63 and 475,431.60 is: 656,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,839.60 : 1,211,418.63 = 475,431.60 : x
  2. Step 2: Convert to fraction form
    877,839.60/1,211,418.63 = 475,431.60/x
  3. Step 3: Cross multiply
    877,839.60x = 1,211,418.63 × 475,431.60
  4. Step 4: Simplify right side
    877,839.60x = 575,946,697,530.71
  5. Step 5: Solve for x
    x = 575,946,697,530.71/877,839.60
  6. Step 6: Final answer
    x = 656,095.60

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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.