Home / 877,029.50-1,210,300.72-474,621.50

Finding the Fourth Proportional to 877,029.50, 1,210,300.72 and 474,621.50

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Solution

The fourth proportional to 877,029.50, 1,210,300.72 and 474,621.50 is: 654,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,029.50 : 1,210,300.72 = 474,621.50 : x
  2. Step 2: Convert to fraction form
    877,029.50/1,210,300.72 = 474,621.50/x
  3. Step 3: Cross multiply
    877,029.50x = 1,210,300.72 × 474,621.50
  4. Step 4: Simplify right side
    877,029.50x = 574,434,743,177.48
  5. Step 5: Solve for x
    x = 574,434,743,177.48/877,029.50
  6. Step 6: Final answer
    x = 654,977.68

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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.