Home / 1,152,027.12-1,728,332.28-353,349.30

Finding the Fourth Proportional to 1,152,027.12, 1,728,332.28 and 353,349.30

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Solution

The fourth proportional to 1,152,027.12, 1,728,332.28 and 353,349.30 is: 530,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,027.12 : 1,728,332.28 = 353,349.30 : x
  2. Step 2: Convert to fraction form
    1,152,027.12/1,728,332.28 = 353,349.30/x
  3. Step 3: Cross multiply
    1,152,027.12x = 1,728,332.28 × 353,349.30
  4. Step 4: Simplify right side
    1,152,027.12x = 610,705,001,305.40
  5. Step 5: Solve for x
    x = 610,705,001,305.40/1,152,027.12
  6. Step 6: Final answer
    x = 530,113.39

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Double scale
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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.