Home / 625,784.04-863,528.58-353,838.60

Finding the Fourth Proportional to 625,784.04, 863,528.58 and 353,838.60

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Solution

The fourth proportional to 625,784.04, 863,528.58 and 353,838.60 is: 488,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,784.04 : 863,528.58 = 353,838.60 : x
  2. Step 2: Convert to fraction form
    625,784.04/863,528.58 = 353,838.60/x
  3. Step 3: Cross multiply
    625,784.04x = 863,528.58 × 353,838.60
  4. Step 4: Simplify right side
    625,784.04x = 305,549,743,807.19
  5. Step 5: Solve for x
    x = 305,549,743,807.19/625,784.04
  6. Step 6: Final answer
    x = 488,267.08

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1.5x scale

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.