Home / 877,551.64-1,210,998.03-490,370.24

Finding the Fourth Proportional to 877,551.64, 1,210,998.03 and 490,370.24

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Solution

The fourth proportional to 877,551.64, 1,210,998.03 and 490,370.24 is: 676,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,551.64 : 1,210,998.03 = 490,370.24 : x
  2. Step 2: Convert to fraction form
    877,551.64/1,210,998.03 = 490,370.24/x
  3. Step 3: Cross multiply
    877,551.64x = 1,210,998.03 × 490,370.24
  4. Step 4: Simplify right side
    877,551.64x = 593,837,394,610.63
  5. Step 5: Solve for x
    x = 593,837,394,610.63/877,551.64
  6. Step 6: Final answer
    x = 676,697.95

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Double scale
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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.