Home / 875,466.12-1,208,246.42-488,342.52

Finding the Fourth Proportional to 875,466.12, 1,208,246.42 and 488,342.52

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Solution

The fourth proportional to 875,466.12, 1,208,246.42 and 488,342.52 is: 673,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,466.12 : 1,208,246.42 = 488,342.52 : x
  2. Step 2: Convert to fraction form
    875,466.12/1,208,246.42 = 488,342.52/x
  3. Step 3: Cross multiply
    875,466.12x = 1,208,246.42 × 488,342.52
  4. Step 4: Simplify right side
    875,466.12x = 590,038,102,744.64
  5. Step 5: Solve for x
    x = 590,038,102,744.64/875,466.12
  6. Step 6: Final answer
    x = 673,970.23

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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.