Home / 904,936.60-1,248,828.02-497,055.64

Finding the Fourth Proportional to 904,936.60, 1,248,828.02 and 497,055.64

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Solution

The fourth proportional to 904,936.60, 1,248,828.02 and 497,055.64 is: 685,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,936.60 : 1,248,828.02 = 497,055.64 : x
  2. Step 2: Convert to fraction form
    904,936.60/1,248,828.02 = 497,055.64/x
  3. Step 3: Cross multiply
    904,936.60x = 1,248,828.02 × 497,055.64
  4. Step 4: Simplify right side
    904,936.60x = 620,737,010,731.03
  5. Step 5: Solve for x
    x = 620,737,010,731.03/904,936.60
  6. Step 6: Final answer
    x = 685,945.30

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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.