Home / 403,530.84-556,925.88-260,706.36

Finding the Fourth Proportional to 403,530.84, 556,925.88 and 260,706.36

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Solution

The fourth proportional to 403,530.84, 556,925.88 and 260,706.36 is: 359,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,530.84 : 556,925.88 = 260,706.36 : x
  2. Step 2: Convert to fraction form
    403,530.84/556,925.88 = 260,706.36/x
  3. Step 3: Cross multiply
    403,530.84x = 556,925.88 × 260,706.36
  4. Step 4: Simplify right side
    403,530.84x = 145,194,118,964.60
  5. Step 5: Solve for x
    x = 145,194,118,964.60/403,530.84
  6. Step 6: Final answer
    x = 359,809.23

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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.