Home / 1,186,290.93-1,779,068.25-428,033.94

Finding the Fourth Proportional to 1,186,290.93, 1,779,068.25 and 428,033.94

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Solution

The fourth proportional to 1,186,290.93, 1,779,068.25 and 428,033.94 is: 641,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,290.93 : 1,779,068.25 = 428,033.94 : x
  2. Step 2: Convert to fraction form
    1,186,290.93/1,779,068.25 = 428,033.94/x
  3. Step 3: Cross multiply
    1,186,290.93x = 1,779,068.25 × 428,033.94
  4. Step 4: Simplify right side
    1,186,290.93x = 761,501,592,576.41
  5. Step 5: Solve for x
    x = 761,501,592,576.41/1,186,290.93
  6. Step 6: Final answer
    x = 641,918.08

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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.