Home / 603,133.10-904,699.65-288,205.10

Finding the Fourth Proportional to 603,133.10, 904,699.65 and 288,205.10

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Solution

The fourth proportional to 603,133.10, 904,699.65 and 288,205.10 is: 432,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,133.10 : 904,699.65 = 288,205.10 : x
  2. Step 2: Convert to fraction form
    603,133.10/904,699.65 = 288,205.10/x
  3. Step 3: Cross multiply
    603,133.10x = 904,699.65 × 288,205.10
  4. Step 4: Simplify right side
    603,133.10x = 260,739,053,098.22
  5. Step 5: Solve for x
    x = 260,739,053,098.22/603,133.10
  6. Step 6: Final answer
    x = 432,307.65

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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.