Home / 1,191,909-1,788,987.06-434,482.50

Finding the Fourth Proportional to 1,191,909, 1,788,987.06 and 434,482.50

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Solution

The fourth proportional to 1,191,909, 1,788,987.06 and 434,482.50 is: 652,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,909 : 1,788,987.06 = 434,482.50 : x
  2. Step 2: Convert to fraction form
    1,191,909/1,788,987.06 = 434,482.50/x
  3. Step 3: Cross multiply
    1,191,909x = 1,788,987.06 × 434,482.50
  4. Step 4: Simplify right side
    1,191,909x = 777,283,570,296.45
  5. Step 5: Solve for x
    x = 777,283,570,296.45/1,191,909
  6. Step 6: Final answer
    x = 652,133.32

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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.