Home / 911,557.67-1,258,023.24-503,695.26

Finding the Fourth Proportional to 911,557.67, 1,258,023.24 and 503,695.26

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Solution

The fourth proportional to 911,557.67, 1,258,023.24 and 503,695.26 is: 695,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,557.67 : 1,258,023.24 = 503,695.26 : x
  2. Step 2: Convert to fraction form
    911,557.67/1,258,023.24 = 503,695.26/x
  3. Step 3: Cross multiply
    911,557.67x = 1,258,023.24 × 503,695.26
  4. Step 4: Simplify right side
    911,557.67x = 633,660,342,957.84
  5. Step 5: Solve for x
    x = 633,660,342,957.84/911,557.67
  6. Step 6: Final answer
    x = 695,140.16

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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.