Home / 1,403,970.96-2,105,954.80-457,340.16

Finding the Fourth Proportional to 1,403,970.96, 2,105,954.80 and 457,340.16

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Solution

The fourth proportional to 1,403,970.96, 2,105,954.80 and 457,340.16 is: 686,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,970.96 : 2,105,954.80 = 457,340.16 : x
  2. Step 2: Convert to fraction form
    1,403,970.96/2,105,954.80 = 457,340.16/x
  3. Step 3: Cross multiply
    1,403,970.96x = 2,105,954.80 × 457,340.16
  4. Step 4: Simplify right side
    1,403,970.96x = 963,137,705,184.77
  5. Step 5: Solve for x
    x = 963,137,705,184.77/1,403,970.96
  6. Step 6: Final answer
    x = 686,009.71

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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.