Home / 1,000,316.81-1,380,437.28-547,607.81

Finding the Fourth Proportional to 1,000,316.81, 1,380,437.28 and 547,607.81

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Solution

The fourth proportional to 1,000,316.81, 1,380,437.28 and 547,607.81 is: 755,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,316.81 : 1,380,437.28 = 547,607.81 : x
  2. Step 2: Convert to fraction form
    1,000,316.81/1,380,437.28 = 547,607.81/x
  3. Step 3: Cross multiply
    1,000,316.81x = 1,380,437.28 × 547,607.81
  4. Step 4: Simplify right side
    1,000,316.81x = 755,938,239,194.25
  5. Step 5: Solve for x
    x = 755,938,239,194.25/1,000,316.81
  6. Step 6: Final answer
    x = 755,698.82

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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.