Home / 403,463.60-556,259.46-330,595.58

Finding the Fourth Proportional to 403,463.60, 556,259.46 and 330,595.58

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Solution

The fourth proportional to 403,463.60, 556,259.46 and 330,595.58 is: 455,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,463.60 : 556,259.46 = 330,595.58 : x
  2. Step 2: Convert to fraction form
    403,463.60/556,259.46 = 330,595.58/x
  3. Step 3: Cross multiply
    403,463.60x = 556,259.46 × 330,595.58
  4. Step 4: Simplify right side
    403,463.60x = 183,896,918,809.19
  5. Step 5: Solve for x
    x = 183,896,918,809.19/403,463.60
  6. Step 6: Final answer
    x = 455,795.56

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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.