Home / 913,343.34-1,261,034.01-569,316.90

Finding the Fourth Proportional to 913,343.34, 1,261,034.01 and 569,316.90

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Solution

The fourth proportional to 913,343.34, 1,261,034.01 and 569,316.90 is: 786,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,343.34 : 1,261,034.01 = 569,316.90 : x
  2. Step 2: Convert to fraction form
    913,343.34/1,261,034.01 = 569,316.90/x
  3. Step 3: Cross multiply
    913,343.34x = 1,261,034.01 × 569,316.90
  4. Step 4: Simplify right side
    913,343.34x = 717,927,973,367.77
  5. Step 5: Solve for x
    x = 717,927,973,367.77/913,343.34
  6. Step 6: Final answer
    x = 786,043.91

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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.