Home / 1,513,303.72-2,088,382.28-824,975.98

Finding the Fourth Proportional to 1,513,303.72, 2,088,382.28 and 824,975.98

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Solution

The fourth proportional to 1,513,303.72, 2,088,382.28 and 824,975.98 is: 1,138,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303.72 : 2,088,382.28 = 824,975.98 : x
  2. Step 2: Convert to fraction form
    1,513,303.72/2,088,382.28 = 824,975.98/x
  3. Step 3: Cross multiply
    1,513,303.72x = 2,088,382.28 × 824,975.98
  4. Step 4: Simplify right side
    1,513,303.72x = 1,722,865,218,057.63
  5. Step 5: Solve for x
    x = 1,722,865,218,057.63/1,513,303.72
  6. Step 6: Final answer
    x = 1,138,479.47

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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.