Home / 1,005,511.87-1,506,248.37-465,010.54

Finding the Fourth Proportional to 1,005,511.87, 1,506,248.37 and 465,010.54

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Solution

The fourth proportional to 1,005,511.87, 1,506,248.37 and 465,010.54 is: 696,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,511.87 : 1,506,248.37 = 465,010.54 : x
  2. Step 2: Convert to fraction form
    1,005,511.87/1,506,248.37 = 465,010.54/x
  3. Step 3: Cross multiply
    1,005,511.87x = 1,506,248.37 × 465,010.54
  4. Step 4: Simplify right side
    1,005,511.87x = 700,421,360,376.58
  5. Step 5: Solve for x
    x = 700,421,360,376.58/1,005,511.87
  6. Step 6: Final answer
    x = 696,581.89

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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.