Home / 877,610.59-1,210,741.89-533,391.06

Finding the Fourth Proportional to 877,610.59, 1,210,741.89 and 533,391.06

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Solution

The fourth proportional to 877,610.59, 1,210,741.89 and 533,391.06 is: 735,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,610.59 : 1,210,741.89 = 533,391.06 : x
  2. Step 2: Convert to fraction form
    877,610.59/1,210,741.89 = 533,391.06/x
  3. Step 3: Cross multiply
    877,610.59x = 1,210,741.89 × 533,391.06
  4. Step 4: Simplify right side
    877,610.59x = 645,798,900,093.50
  5. Step 5: Solve for x
    x = 645,798,900,093.50/877,610.59
  6. Step 6: Final answer
    x = 735,860.42

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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.