Home / 403,607.04-556,981.56-222,319.74

Finding the Fourth Proportional to 403,607.04, 556,981.56 and 222,319.74

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Solution

The fourth proportional to 403,607.04, 556,981.56 and 222,319.74 is: 306,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,607.04 : 556,981.56 = 222,319.74 : x
  2. Step 2: Convert to fraction form
    403,607.04/556,981.56 = 222,319.74/x
  3. Step 3: Cross multiply
    403,607.04x = 556,981.56 × 222,319.74
  4. Step 4: Simplify right side
    403,607.04x = 123,827,995,603.99
  5. Step 5: Solve for x
    x = 123,827,995,603.99/403,607.04
  6. Step 6: Final answer
    x = 306,803.36

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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.