Home / 610,121.28-841,869.38-383,606.40

Finding the Fourth Proportional to 610,121.28, 841,869.38 and 383,606.40

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Solution

The fourth proportional to 610,121.28, 841,869.38 and 383,606.40 is: 529,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,121.28 : 841,869.38 = 383,606.40 : x
  2. Step 2: Convert to fraction form
    610,121.28/841,869.38 = 383,606.40/x
  3. Step 3: Cross multiply
    610,121.28x = 841,869.38 × 383,606.40
  4. Step 4: Simplify right side
    610,121.28x = 322,946,482,132.03
  5. Step 5: Solve for x
    x = 322,946,482,132.03/610,121.28
  6. Step 6: Final answer
    x = 529,315.22

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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.