Home / 1,457,065.40-2,185,598.10-459,793.40

Finding the Fourth Proportional to 1,457,065.40, 2,185,598.10 and 459,793.40

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Solution

The fourth proportional to 1,457,065.40, 2,185,598.10 and 459,793.40 is: 689,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,065.40 : 2,185,598.10 = 459,793.40 : x
  2. Step 2: Convert to fraction form
    1,457,065.40/2,185,598.10 = 459,793.40/x
  3. Step 3: Cross multiply
    1,457,065.40x = 2,185,598.10 × 459,793.40
  4. Step 4: Simplify right side
    1,457,065.40x = 1,004,923,581,432.54
  5. Step 5: Solve for x
    x = 1,004,923,581,432.54/1,457,065.40
  6. Step 6: Final answer
    x = 689,690.10

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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.