Home / 820,231.20-1,130,239.44-605,030.40

Finding the Fourth Proportional to 820,231.20, 1,130,239.44 and 605,030.40

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Solution

The fourth proportional to 820,231.20, 1,130,239.44 and 605,030.40 is: 833,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,231.20 : 1,130,239.44 = 605,030.40 : x
  2. Step 2: Convert to fraction form
    820,231.20/1,130,239.44 = 605,030.40/x
  3. Step 3: Cross multiply
    820,231.20x = 1,130,239.44 × 605,030.40
  4. Step 4: Simplify right side
    820,231.20x = 683,829,220,478.98
  5. Step 5: Solve for x
    x = 683,829,220,478.98/820,231.20
  6. Step 6: Final answer
    x = 833,703.01

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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.