Home / 1,590,802.87-2,386,209.28-392,725.33

Finding the Fourth Proportional to 1,590,802.87, 2,386,209.28 and 392,725.33

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Solution

The fourth proportional to 1,590,802.87, 2,386,209.28 and 392,725.33 is: 589,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,802.87 : 2,386,209.28 = 392,725.33 : x
  2. Step 2: Convert to fraction form
    1,590,802.87/2,386,209.28 = 392,725.33/x
  3. Step 3: Cross multiply
    1,590,802.87x = 2,386,209.28 × 392,725.33
  4. Step 4: Simplify right side
    1,590,802.87x = 937,124,824,973.44
  5. Step 5: Solve for x
    x = 937,124,824,973.44/1,590,802.87
  6. Step 6: Final answer
    x = 589,089.22

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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.