Home / 985,666.40-1,478,499.60-237,712.40

Finding the Fourth Proportional to 985,666.40, 1,478,499.60 and 237,712.40

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Solution

The fourth proportional to 985,666.40, 1,478,499.60 and 237,712.40 is: 356,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,666.40 : 1,478,499.60 = 237,712.40 : x
  2. Step 2: Convert to fraction form
    985,666.40/1,478,499.60 = 237,712.40/x
  3. Step 3: Cross multiply
    985,666.40x = 1,478,499.60 × 237,712.40
  4. Step 4: Simplify right side
    985,666.40x = 351,457,688,315.04
  5. Step 5: Solve for x
    x = 351,457,688,315.04/985,666.40
  6. Step 6: Final answer
    x = 356,568.60

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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.