Home / 819,226.76-1,130,746.74-533,530.76

Finding the Fourth Proportional to 819,226.76, 1,130,746.74 and 533,530.76

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Solution

The fourth proportional to 819,226.76, 1,130,746.74 and 533,530.76 is: 736,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,226.76 : 1,130,746.74 = 533,530.76 : x
  2. Step 2: Convert to fraction form
    819,226.76/1,130,746.74 = 533,530.76/x
  3. Step 3: Cross multiply
    819,226.76x = 1,130,746.74 × 533,530.76
  4. Step 4: Simplify right side
    819,226.76x = 603,288,167,559.72
  5. Step 5: Solve for x
    x = 603,288,167,559.72/819,226.76
  6. Step 6: Final answer
    x = 736,411.70

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Double scale
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Similar ratio
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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.