Home / 1,319,798.16-1,979,541.72-1,039,395.60

Finding the Fourth Proportional to 1,319,798.16, 1,979,541.72 and 1,039,395.60

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Solution

The fourth proportional to 1,319,798.16, 1,979,541.72 and 1,039,395.60 is: 1,558,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,798.16 : 1,979,541.72 = 1,039,395.60 : x
  2. Step 2: Convert to fraction form
    1,319,798.16/1,979,541.72 = 1,039,395.60/x
  3. Step 3: Cross multiply
    1,319,798.16x = 1,979,541.72 × 1,039,395.60
  4. Step 4: Simplify right side
    1,319,798.16x = 2,057,526,953,784.43
  5. Step 5: Solve for x
    x = 2,057,526,953,784.43/1,319,798.16
  6. Step 6: Final answer
    x = 1,558,970.92

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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.