Home / 1,249,890.79-1,875,518.72-530,120.54

Finding the Fourth Proportional to 1,249,890.79, 1,875,518.72 and 530,120.54

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Solution

The fourth proportional to 1,249,890.79, 1,875,518.72 and 530,120.54 is: 795,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,890.79 : 1,875,518.72 = 530,120.54 : x
  2. Step 2: Convert to fraction form
    1,249,890.79/1,875,518.72 = 530,120.54/x
  3. Step 3: Cross multiply
    1,249,890.79x = 1,875,518.72 × 530,120.54
  4. Step 4: Simplify right side
    1,249,890.79x = 994,250,996,626.51
  5. Step 5: Solve for x
    x = 994,250,996,626.51/1,249,890.79
  6. Step 6: Final answer
    x = 795,470.30

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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.