Home / 1,316,359.80-1,974,539.70-1,077,211.35

Finding the Fourth Proportional to 1,316,359.80, 1,974,539.70 and 1,077,211.35

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Solution

The fourth proportional to 1,316,359.80, 1,974,539.70 and 1,077,211.35 is: 1,615,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,359.80 : 1,974,539.70 = 1,077,211.35 : x
  2. Step 2: Convert to fraction form
    1,316,359.80/1,974,539.70 = 1,077,211.35/x
  3. Step 3: Cross multiply
    1,316,359.80x = 1,974,539.70 × 1,077,211.35
  4. Step 4: Simplify right side
    1,316,359.80x = 2,126,996,575,865.60
  5. Step 5: Solve for x
    x = 2,126,996,575,865.60/1,316,359.80
  6. Step 6: Final answer
    x = 1,615,817.03

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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.