Home / 403,606.04-556,980.18-222,318.76

Finding the Fourth Proportional to 403,606.04, 556,980.18 and 222,318.76

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Solution

The fourth proportional to 403,606.04, 556,980.18 and 222,318.76 is: 306,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,606.04 : 556,980.18 = 222,318.76 : x
  2. Step 2: Convert to fraction form
    403,606.04/556,980.18 = 222,318.76/x
  3. Step 3: Cross multiply
    403,606.04x = 556,980.18 × 222,318.76
  4. Step 4: Simplify right side
    403,606.04x = 123,827,142,962.18
  5. Step 5: Solve for x
    x = 123,827,142,962.18/403,606.04
  6. Step 6: Final answer
    x = 306,802.01

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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.