Home / 904,194.91-1,247,784.59-496,303.70

Finding the Fourth Proportional to 904,194.91, 1,247,784.59 and 496,303.70

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Solution

The fourth proportional to 904,194.91, 1,247,784.59 and 496,303.70 is: 684,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,194.91 : 1,247,784.59 = 496,303.70 : x
  2. Step 2: Convert to fraction form
    904,194.91/1,247,784.59 = 496,303.70/x
  3. Step 3: Cross multiply
    904,194.91x = 1,247,784.59 × 496,303.70
  4. Step 4: Simplify right side
    904,194.91x = 619,280,103,821.82
  5. Step 5: Solve for x
    x = 619,280,103,821.82/904,194.91
  6. Step 6: Final answer
    x = 684,896.69

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Double scale
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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.