Home / 1,457,370.70-2,186,056.05-459,969.10

Finding the Fourth Proportional to 1,457,370.70, 2,186,056.05 and 459,969.10

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Solution

The fourth proportional to 1,457,370.70, 2,186,056.05 and 459,969.10 is: 689,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,370.70 : 2,186,056.05 = 459,969.10 : x
  2. Step 2: Convert to fraction form
    1,457,370.70/2,186,056.05 = 459,969.10/x
  3. Step 3: Cross multiply
    1,457,370.70x = 2,186,056.05 × 459,969.10
  4. Step 4: Simplify right side
    1,457,370.70x = 1,005,518,233,868.05
  5. Step 5: Solve for x
    x = 1,005,518,233,868.05/1,457,370.70
  6. Step 6: Final answer
    x = 689,953.65

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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.