Home / 904,323.78-1,247,888.52-496,424.16

Finding the Fourth Proportional to 904,323.78, 1,247,888.52 and 496,424.16

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Solution

The fourth proportional to 904,323.78, 1,247,888.52 and 496,424.16 is: 685,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,323.78 : 1,247,888.52 = 496,424.16 : x
  2. Step 2: Convert to fraction form
    904,323.78/1,247,888.52 = 496,424.16/x
  3. Step 3: Cross multiply
    904,323.78x = 1,247,888.52 × 496,424.16
  4. Step 4: Simplify right side
    904,323.78x = 619,482,010,314.64
  5. Step 5: Solve for x
    x = 619,482,010,314.64/904,323.78
  6. Step 6: Final answer
    x = 685,022.36

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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.