Home / 818,864.10-1,130,017.19-456,280.27

Finding the Fourth Proportional to 818,864.10, 1,130,017.19 and 456,280.27

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Solution

The fourth proportional to 818,864.10, 1,130,017.19 and 456,280.27 is: 629,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,864.10 : 1,130,017.19 = 456,280.27 : x
  2. Step 2: Convert to fraction form
    818,864.10/1,130,017.19 = 456,280.27/x
  3. Step 3: Cross multiply
    818,864.10x = 1,130,017.19 × 456,280.27
  4. Step 4: Simplify right side
    818,864.10x = 515,604,543,451.40
  5. Step 5: Solve for x
    x = 515,604,543,451.40/818,864.10
  6. Step 6: Final answer
    x = 629,658.26

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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.