Home / 1,127,355.88-1,555,750.74-618,047.32

Finding the Fourth Proportional to 1,127,355.88, 1,555,750.74 and 618,047.32

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Solution

The fourth proportional to 1,127,355.88, 1,555,750.74 and 618,047.32 is: 852,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,355.88 : 1,555,750.74 = 618,047.32 : x
  2. Step 2: Convert to fraction form
    1,127,355.88/1,555,750.74 = 618,047.32/x
  3. Step 3: Cross multiply
    1,127,355.88x = 1,555,750.74 × 618,047.32
  4. Step 4: Simplify right side
    1,127,355.88x = 961,527,575,445.02
  5. Step 5: Solve for x
    x = 961,527,575,445.02/1,127,355.88
  6. Step 6: Final answer
    x = 852,905.10

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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.