Home / 403,587.63-556,954.65-222,300.18

Finding the Fourth Proportional to 403,587.63, 556,954.65 and 222,300.18

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Solution

The fourth proportional to 403,587.63, 556,954.65 and 222,300.18 is: 306,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,587.63 : 556,954.65 = 222,300.18 : x
  2. Step 2: Convert to fraction form
    403,587.63/556,954.65 = 222,300.18/x
  3. Step 3: Cross multiply
    403,587.63x = 556,954.65 × 222,300.18
  4. Step 4: Simplify right side
    403,587.63x = 123,811,118,946.84
  5. Step 5: Solve for x
    x = 123,811,118,946.84/403,587.63
  6. Step 6: Final answer
    x = 306,776.30

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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.