Home / 519,582.34-716,946.75-315,527.14

Finding the Fourth Proportional to 519,582.34, 716,946.75 and 315,527.14

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Solution

The fourth proportional to 519,582.34, 716,946.75 and 315,527.14 is: 435,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,582.34 : 716,946.75 = 315,527.14 : x
  2. Step 2: Convert to fraction form
    519,582.34/716,946.75 = 315,527.14/x
  3. Step 3: Cross multiply
    519,582.34x = 716,946.75 × 315,527.14
  4. Step 4: Simplify right side
    519,582.34x = 226,216,157,559.80
  5. Step 5: Solve for x
    x = 226,216,157,559.80/519,582.34
  6. Step 6: Final answer
    x = 435,380.77

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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.