Home / 589,128.70-883,693.05-497,890.30

Finding the Fourth Proportional to 589,128.70, 883,693.05 and 497,890.30

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Solution

The fourth proportional to 589,128.70, 883,693.05 and 497,890.30 is: 746,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,128.70 : 883,693.05 = 497,890.30 : x
  2. Step 2: Convert to fraction form
    589,128.70/883,693.05 = 497,890.30/x
  3. Step 3: Cross multiply
    589,128.70x = 883,693.05 × 497,890.30
  4. Step 4: Simplify right side
    589,128.70x = 439,982,197,772.42
  5. Step 5: Solve for x
    x = 439,982,197,772.42/589,128.70
  6. Step 6: Final answer
    x = 746,835.45

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