Home / 819,233.76-1,130,756.40-533,537.76

Finding the Fourth Proportional to 819,233.76, 1,130,756.40 and 533,537.76

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Solution

The fourth proportional to 819,233.76, 1,130,756.40 and 533,537.76 is: 736,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,233.76 : 1,130,756.40 = 533,537.76 : x
  2. Step 2: Convert to fraction form
    819,233.76/1,130,756.40 = 533,537.76/x
  3. Step 3: Cross multiply
    819,233.76x = 1,130,756.40 × 533,537.76
  4. Step 4: Simplify right side
    819,233.76x = 603,301,236,761.66
  5. Step 5: Solve for x
    x = 603,301,236,761.66/819,233.76
  6. Step 6: Final answer
    x = 736,421.36

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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.