Home / 1,430,120.70-2,144,547.45-483,234.30

Finding the Fourth Proportional to 1,430,120.70, 2,144,547.45 and 483,234.30

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Solution

The fourth proportional to 1,430,120.70, 2,144,547.45 and 483,234.30 is: 724,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,120.70 : 2,144,547.45 = 483,234.30 : x
  2. Step 2: Convert to fraction form
    1,430,120.70/2,144,547.45 = 483,234.30/x
  3. Step 3: Cross multiply
    1,430,120.70x = 2,144,547.45 × 483,234.30
  4. Step 4: Simplify right side
    1,430,120.70x = 1,036,318,885,817.54
  5. Step 5: Solve for x
    x = 1,036,318,885,817.54/1,430,120.70
  6. Step 6: Final answer
    x = 724,637.36

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Double scale
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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.