Home / 877,369.50-1,210,771.53-474,961.50

Finding the Fourth Proportional to 877,369.50, 1,210,771.53 and 474,961.50

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Solution

The fourth proportional to 877,369.50, 1,210,771.53 and 474,961.50 is: 655,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,369.50 : 1,210,771.53 = 474,961.50 : x
  2. Step 2: Convert to fraction form
    877,369.50/1,210,771.53 = 474,961.50/x
  3. Step 3: Cross multiply
    877,369.50x = 1,210,771.53 × 474,961.50
  4. Step 4: Simplify right side
    877,369.50x = 575,069,862,046.10
  5. Step 5: Solve for x
    x = 575,069,862,046.10/877,369.50
  6. Step 6: Final answer
    x = 655,447.75

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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.