Home / 1,316,188.47-1,973,021.57-556,985.67

Finding the Fourth Proportional to 1,316,188.47, 1,973,021.57 and 556,985.67

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Solution

The fourth proportional to 1,316,188.47, 1,973,021.57 and 556,985.67 is: 834,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,188.47 : 1,973,021.57 = 556,985.67 : x
  2. Step 2: Convert to fraction form
    1,316,188.47/1,973,021.57 = 556,985.67/x
  3. Step 3: Cross multiply
    1,316,188.47x = 1,973,021.57 × 556,985.67
  4. Step 4: Simplify right side
    1,316,188.47x = 1,098,944,738,305.97
  5. Step 5: Solve for x
    x = 1,098,944,738,305.97/1,316,188.47
  6. Step 6: Final answer
    x = 834,944.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.