Home / 882,263.79-1,217,194.16-519,465.87

Finding the Fourth Proportional to 882,263.79, 1,217,194.16 and 519,465.87

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Solution

The fourth proportional to 882,263.79, 1,217,194.16 and 519,465.87 is: 716,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,263.79 : 1,217,194.16 = 519,465.87 : x
  2. Step 2: Convert to fraction form
    882,263.79/1,217,194.16 = 519,465.87/x
  3. Step 3: Cross multiply
    882,263.79x = 1,217,194.16 × 519,465.87
  4. Step 4: Simplify right side
    882,263.79x = 632,290,820,685.99
  5. Step 5: Solve for x
    x = 632,290,820,685.99/882,263.79
  6. Step 6: Final answer
    x = 716,668.67

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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.