Home / 1,724,280.90-2,586,421.38-526,209.36

Finding the Fourth Proportional to 1,724,280.90, 2,586,421.38 and 526,209.36

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Solution

The fourth proportional to 1,724,280.90, 2,586,421.38 and 526,209.36 is: 789,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,280.90 : 2,586,421.38 = 526,209.36 : x
  2. Step 2: Convert to fraction form
    1,724,280.90/2,586,421.38 = 526,209.36/x
  3. Step 3: Cross multiply
    1,724,280.90x = 2,586,421.38 × 526,209.36
  4. Step 4: Simplify right side
    1,724,280.90x = 1,360,999,139,060.12
  5. Step 5: Solve for x
    x = 1,360,999,139,060.12/1,724,280.90
  6. Step 6: Final answer
    x = 789,314.05

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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.