Home / 786,233.60-1,178,140.80-585,612.80

Finding the Fourth Proportional to 786,233.60, 1,178,140.80 and 585,612.80

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Solution

The fourth proportional to 786,233.60, 1,178,140.80 and 585,612.80 is: 877,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,233.60 : 1,178,140.80 = 585,612.80 : x
  2. Step 2: Convert to fraction form
    786,233.60/1,178,140.80 = 585,612.80/x
  3. Step 3: Cross multiply
    786,233.60x = 1,178,140.80 × 585,612.80
  4. Step 4: Simplify right side
    786,233.60x = 689,934,332,682.24
  5. Step 5: Solve for x
    x = 689,934,332,682.24/786,233.60
  6. Step 6: Final answer
    x = 877,518.25

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.