Home / 727,265.32-1,003,111.96-630,293.76

Finding the Fourth Proportional to 727,265.32, 1,003,111.96 and 630,293.76

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Solution

The fourth proportional to 727,265.32, 1,003,111.96 and 630,293.76 is: 869,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,265.32 : 1,003,111.96 = 630,293.76 : x
  2. Step 2: Convert to fraction form
    727,265.32/1,003,111.96 = 630,293.76/x
  3. Step 3: Cross multiply
    727,265.32x = 1,003,111.96 × 630,293.76
  4. Step 4: Simplify right side
    727,265.32x = 632,255,208,969.37
  5. Step 5: Solve for x
    x = 632,255,208,969.37/727,265.32
  6. Step 6: Final answer
    x = 869,359.77

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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.