Home / 1,403,527-1,936,749.54-830,466.76

Finding the Fourth Proportional to 1,403,527, 1,936,749.54 and 830,466.76

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Solution

The fourth proportional to 1,403,527, 1,936,749.54 and 830,466.76 is: 1,145,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,527 : 1,936,749.54 = 830,466.76 : x
  2. Step 2: Convert to fraction form
    1,403,527/1,936,749.54 = 830,466.76/x
  3. Step 3: Cross multiply
    1,403,527x = 1,936,749.54 × 830,466.76
  4. Step 4: Simplify right side
    1,403,527x = 1,608,406,115,415.29
  5. Step 5: Solve for x
    x = 1,608,406,115,415.29/1,403,527
  6. Step 6: Final answer
    x = 1,145,974.47

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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.