Home / 456,159.39-629,484.08-249,432.60

Finding the Fourth Proportional to 456,159.39, 629,484.08 and 249,432.60

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Solution

The fourth proportional to 456,159.39, 629,484.08 and 249,432.60 is: 344,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,159.39 : 629,484.08 = 249,432.60 : x
  2. Step 2: Convert to fraction form
    456,159.39/629,484.08 = 249,432.60/x
  3. Step 3: Cross multiply
    456,159.39x = 629,484.08 × 249,432.60
  4. Step 4: Simplify right side
    456,159.39x = 157,013,849,485.85
  5. Step 5: Solve for x
    x = 157,013,849,485.85/456,159.39
  6. Step 6: Final answer
    x = 344,208.30

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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.