Home / 904,683.74-1,248,407.64-496,783.94

Finding the Fourth Proportional to 904,683.74, 1,248,407.64 and 496,783.94

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Solution

The fourth proportional to 904,683.74, 1,248,407.64 and 496,783.94 is: 685,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,683.74 : 1,248,407.64 = 496,783.94 : x
  2. Step 2: Convert to fraction form
    904,683.74/1,248,407.64 = 496,783.94/x
  3. Step 3: Cross multiply
    904,683.74x = 1,248,407.64 × 496,783.94
  4. Step 4: Simplify right side
    904,683.74x = 620,188,859,883.26
  5. Step 5: Solve for x
    x = 620,188,859,883.26/904,683.74
  6. Step 6: Final answer
    x = 685,531.13

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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.