Home / 833,430.69-1,150,134.57-451,457.55

Finding the Fourth Proportional to 833,430.69, 1,150,134.57 and 451,457.55

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Solution

The fourth proportional to 833,430.69, 1,150,134.57 and 451,457.55 is: 623,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,430.69 : 1,150,134.57 = 451,457.55 : x
  2. Step 2: Convert to fraction form
    833,430.69/1,150,134.57 = 451,457.55/x
  3. Step 3: Cross multiply
    833,430.69x = 1,150,134.57 × 451,457.55
  4. Step 4: Simplify right side
    833,430.69x = 519,236,935,142.50
  5. Step 5: Solve for x
    x = 519,236,935,142.50/833,430.69
  6. Step 6: Final answer
    x = 623,011.54

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Half scale
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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.