Home / 785,014.76-1,083,346.50-440,911.23

Finding the Fourth Proportional to 785,014.76, 1,083,346.50 and 440,911.23

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Solution

The fourth proportional to 785,014.76, 1,083,346.50 and 440,911.23 is: 608,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,014.76 : 1,083,346.50 = 440,911.23 : x
  2. Step 2: Convert to fraction form
    785,014.76/1,083,346.50 = 440,911.23/x
  3. Step 3: Cross multiply
    785,014.76x = 1,083,346.50 × 440,911.23
  4. Step 4: Simplify right side
    785,014.76x = 477,659,637,831.20
  5. Step 5: Solve for x
    x = 477,659,637,831.20/785,014.76
  6. Step 6: Final answer
    x = 608,472.18

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Double scale
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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.