Home / 603,117.10-904,675.65-288,189.10

Finding the Fourth Proportional to 603,117.10, 904,675.65 and 288,189.10

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Solution

The fourth proportional to 603,117.10, 904,675.65 and 288,189.10 is: 432,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,117.10 : 904,675.65 = 288,189.10 : x
  2. Step 2: Convert to fraction form
    603,117.10/904,675.65 = 288,189.10/x
  3. Step 3: Cross multiply
    603,117.10x = 904,675.65 × 288,189.10
  4. Step 4: Simplify right side
    603,117.10x = 260,717,661,365.42
  5. Step 5: Solve for x
    x = 260,717,661,365.42/603,117.10
  6. Step 6: Final answer
    x = 432,283.65

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Double scale
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Similar ratio
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1.5x scale

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.