Home / 841,200.40-1,160,874.12-459,243.28

Finding the Fourth Proportional to 841,200.40, 1,160,874.12 and 459,243.28

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Solution

The fourth proportional to 841,200.40, 1,160,874.12 and 459,243.28 is: 633,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,200.40 : 1,160,874.12 = 459,243.28 : x
  2. Step 2: Convert to fraction form
    841,200.40/1,160,874.12 = 459,243.28/x
  3. Step 3: Cross multiply
    841,200.40x = 1,160,874.12 × 459,243.28
  4. Step 4: Simplify right side
    841,200.40x = 533,123,638,535.91
  5. Step 5: Solve for x
    x = 533,123,638,535.91/841,200.40
  6. Step 6: Final answer
    x = 633,765.32

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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.