Home / 818,223.96-1,128,567.42-546,154.68

Finding the Fourth Proportional to 818,223.96, 1,128,567.42 and 546,154.68

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Solution

The fourth proportional to 818,223.96, 1,128,567.42 and 546,154.68 is: 753,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,223.96 : 1,128,567.42 = 546,154.68 : x
  2. Step 2: Convert to fraction form
    818,223.96/1,128,567.42 = 546,154.68/x
  3. Step 3: Cross multiply
    818,223.96x = 1,128,567.42 × 546,154.68
  4. Step 4: Simplify right side
    818,223.96x = 616,372,378,128.53
  5. Step 5: Solve for x
    x = 616,372,378,128.53/818,223.96
  6. Step 6: Final answer
    x = 753,305.22

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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.