Home / 1,430,756.56-1,974,443.59-786,218.28

Finding the Fourth Proportional to 1,430,756.56, 1,974,443.59 and 786,218.28

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Solution

The fourth proportional to 1,430,756.56, 1,974,443.59 and 786,218.28 is: 1,084,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,756.56 : 1,974,443.59 = 786,218.28 : x
  2. Step 2: Convert to fraction form
    1,430,756.56/1,974,443.59 = 786,218.28/x
  3. Step 3: Cross multiply
    1,430,756.56x = 1,974,443.59 × 786,218.28
  4. Step 4: Simplify right side
    1,430,756.56x = 1,552,343,643,286.83
  5. Step 5: Solve for x
    x = 1,552,343,643,286.83/1,430,756.56
  6. Step 6: Final answer
    x = 1,084,980.97

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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.