Home / 877,219.88-1,210,567.07-474,811.88

Finding the Fourth Proportional to 877,219.88, 1,210,567.07 and 474,811.88

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Solution

The fourth proportional to 877,219.88, 1,210,567.07 and 474,811.88 is: 655,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,219.88 : 1,210,567.07 = 474,811.88 : x
  2. Step 2: Convert to fraction form
    877,219.88/1,210,567.07 = 474,811.88/x
  3. Step 3: Cross multiply
    877,219.88x = 1,210,567.07 × 474,811.88
  4. Step 4: Simplify right side
    877,219.88x = 574,791,621,506.99
  5. Step 5: Solve for x
    x = 574,791,621,506.99/877,219.88
  6. Step 6: Final answer
    x = 655,242.36

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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.