Home / 1,152,837-1,590,928.13-636,590.19

Finding the Fourth Proportional to 1,152,837, 1,590,928.13 and 636,590.19

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Solution

The fourth proportional to 1,152,837, 1,590,928.13 and 636,590.19 is: 878,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,837 : 1,590,928.13 = 636,590.19 : x
  2. Step 2: Convert to fraction form
    1,152,837/1,590,928.13 = 636,590.19/x
  3. Step 3: Cross multiply
    1,152,837x = 1,590,928.13 × 636,590.19
  4. Step 4: Simplify right side
    1,152,837x = 1,012,769,237,370.09
  5. Step 5: Solve for x
    x = 1,012,769,237,370.09/1,152,837
  6. Step 6: Final answer
    x = 878,501.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.