Home / 986,705.20-1,480,106.40-514,313.20

Finding the Fourth Proportional to 986,705.20, 1,480,106.40 and 514,313.20

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Solution

The fourth proportional to 986,705.20, 1,480,106.40 and 514,313.20 is: 771,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,705.20 : 1,480,106.40 = 514,313.20 : x
  2. Step 2: Convert to fraction form
    986,705.20/1,480,106.40 = 514,313.20/x
  3. Step 3: Cross multiply
    986,705.20x = 1,480,106.40 × 514,313.20
  4. Step 4: Simplify right side
    986,705.20x = 761,238,258,924.48
  5. Step 5: Solve for x
    x = 761,238,258,924.48/986,705.20
  6. Step 6: Final answer
    x = 771,495.13

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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.