Home / 870,169.20-1,202,056.92-671,518.32

Finding the Fourth Proportional to 870,169.20, 1,202,056.92 and 671,518.32

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Solution

The fourth proportional to 870,169.20, 1,202,056.92 and 671,518.32 is: 927,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,169.20 : 1,202,056.92 = 671,518.32 : x
  2. Step 2: Convert to fraction form
    870,169.20/1,202,056.92 = 671,518.32/x
  3. Step 3: Cross multiply
    870,169.20x = 1,202,056.92 × 671,518.32
  4. Step 4: Simplify right side
    870,169.20x = 807,203,243,462.77
  5. Step 5: Solve for x
    x = 807,203,243,462.77/870,169.20
  6. Step 6: Final answer
    x = 927,639.41

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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.