Home / 896,400.47-1,237,032.88-488,502.43

Finding the Fourth Proportional to 896,400.47, 1,237,032.88 and 488,502.43

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Solution

The fourth proportional to 896,400.47, 1,237,032.88 and 488,502.43 is: 674,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,400.47 : 1,237,032.88 = 488,502.43 : x
  2. Step 2: Convert to fraction form
    896,400.47/1,237,032.88 = 488,502.43/x
  3. Step 3: Cross multiply
    896,400.47x = 1,237,032.88 × 488,502.43
  4. Step 4: Simplify right side
    896,400.47x = 604,293,563,556.06
  5. Step 5: Solve for x
    x = 604,293,563,556.06/896,400.47
  6. Step 6: Final answer
    x = 674,133.47

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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.