Home / 1,333,501.60-1,998,502.80-534,128.80

Finding the Fourth Proportional to 1,333,501.60, 1,998,502.80 and 534,128.80

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Solution

The fourth proportional to 1,333,501.60, 1,998,502.80 and 534,128.80 is: 800,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,501.60 : 1,998,502.80 = 534,128.80 : x
  2. Step 2: Convert to fraction form
    1,333,501.60/1,998,502.80 = 534,128.80/x
  3. Step 3: Cross multiply
    1,333,501.60x = 1,998,502.80 × 534,128.80
  4. Step 4: Simplify right side
    1,333,501.60x = 1,067,457,902,360.64
  5. Step 5: Solve for x
    x = 1,067,457,902,360.64/1,333,501.60
  6. Step 6: Final answer
    x = 800,492.40

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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.