Home / 1,577,312.80-2,365,450.80-579,911.20

Finding the Fourth Proportional to 1,577,312.80, 2,365,450.80 and 579,911.20

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Solution

The fourth proportional to 1,577,312.80, 2,365,450.80 and 579,911.20 is: 869,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,312.80 : 2,365,450.80 = 579,911.20 : x
  2. Step 2: Convert to fraction form
    1,577,312.80/2,365,450.80 = 579,911.20/x
  3. Step 3: Cross multiply
    1,577,312.80x = 2,365,450.80 × 579,911.20
  4. Step 4: Simplify right side
    1,577,312.80x = 1,371,751,411,968.96
  5. Step 5: Solve for x
    x = 1,371,751,411,968.96/1,577,312.80
  6. Step 6: Final answer
    x = 869,676.21

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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.