Home / 904,009.60-1,247,545.60-496,104.96

Finding the Fourth Proportional to 904,009.60, 1,247,545.60 and 496,104.96

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Solution

The fourth proportional to 904,009.60, 1,247,545.60 and 496,104.96 is: 684,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,009.60 : 1,247,545.60 = 496,104.96 : x
  2. Step 2: Convert to fraction form
    904,009.60/1,247,545.60 = 496,104.96/x
  3. Step 3: Cross multiply
    904,009.60x = 1,247,545.60 × 496,104.96
  4. Step 4: Simplify right side
    904,009.60x = 618,913,559,986.18
  5. Step 5: Solve for x
    x = 618,913,559,986.18/904,009.60
  6. Step 6: Final answer
    x = 684,631.62

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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.