Home / 612,918.08-919,179.27-223,369.04

Finding the Fourth Proportional to 612,918.08, 919,179.27 and 223,369.04

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Solution

The fourth proportional to 612,918.08, 919,179.27 and 223,369.04 is: 334,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,918.08 : 919,179.27 = 223,369.04 : x
  2. Step 2: Convert to fraction form
    612,918.08/919,179.27 = 223,369.04/x
  3. Step 3: Cross multiply
    612,918.08x = 919,179.27 × 223,369.04
  4. Step 4: Simplify right side
    612,918.08x = 205,316,186,531.90
  5. Step 5: Solve for x
    x = 205,316,186,531.90/612,918.08
  6. Step 6: Final answer
    x = 334,981.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.