Home / 1,319,762.16-1,979,487.72-1,039,359.60

Finding the Fourth Proportional to 1,319,762.16, 1,979,487.72 and 1,039,359.60

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Solution

The fourth proportional to 1,319,762.16, 1,979,487.72 and 1,039,359.60 is: 1,558,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,762.16 : 1,979,487.72 = 1,039,359.60 : x
  2. Step 2: Convert to fraction form
    1,319,762.16/1,979,487.72 = 1,039,359.60/x
  3. Step 3: Cross multiply
    1,319,762.16x = 1,979,487.72 × 1,039,359.60
  4. Step 4: Simplify right side
    1,319,762.16x = 2,057,399,564,864.11
  5. Step 5: Solve for x
    x = 2,057,399,564,864.11/1,319,762.16
  6. Step 6: Final answer
    x = 1,558,916.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.