Home / 1,130,856.40-1,693,848.72-530,918.56

Finding the Fourth Proportional to 1,130,856.40, 1,693,848.72 and 530,918.56

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Solution

The fourth proportional to 1,130,856.40, 1,693,848.72 and 530,918.56 is: 795,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,856.40 : 1,693,848.72 = 530,918.56 : x
  2. Step 2: Convert to fraction form
    1,130,856.40/1,693,848.72 = 530,918.56/x
  3. Step 3: Cross multiply
    1,130,856.40x = 1,693,848.72 × 530,918.56
  4. Step 4: Simplify right side
    1,130,856.40x = 899,295,714,874.18
  5. Step 5: Solve for x
    x = 899,295,714,874.18/1,130,856.40
  6. Step 6: Final answer
    x = 795,234.23

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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.