Home / 1,601,281.42-2,399,264.89-1,126,970.32

Finding the Fourth Proportional to 1,601,281.42, 2,399,264.89 and 1,126,970.32

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Solution

The fourth proportional to 1,601,281.42, 2,399,264.89 and 1,126,970.32 is: 1,688,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,281.42 : 2,399,264.89 = 1,126,970.32 : x
  2. Step 2: Convert to fraction form
    1,601,281.42/2,399,264.89 = 1,126,970.32/x
  3. Step 3: Cross multiply
    1,601,281.42x = 2,399,264.89 × 1,126,970.32
  4. Step 4: Simplify right side
    1,601,281.42x = 2,703,900,320,848.07
  5. Step 5: Solve for x
    x = 2,703,900,320,848.07/1,601,281.42
  6. Step 6: Final answer
    x = 1,688,585.33

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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.