Home / 904,346.40-1,248,057.04-522,389.28

Finding the Fourth Proportional to 904,346.40, 1,248,057.04 and 522,389.28

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Solution

The fourth proportional to 904,346.40, 1,248,057.04 and 522,389.28 is: 720,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,346.40 : 1,248,057.04 = 522,389.28 : x
  2. Step 2: Convert to fraction form
    904,346.40/1,248,057.04 = 522,389.28/x
  3. Step 3: Cross multiply
    904,346.40x = 1,248,057.04 × 522,389.28
  4. Step 4: Simplify right side
    904,346.40x = 651,971,618,524.53
  5. Step 5: Solve for x
    x = 651,971,618,524.53/904,346.40
  6. Step 6: Final answer
    x = 720,931.29

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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.