Home / 1,927,461.60-2,891,192.40-579,832.20

Finding the Fourth Proportional to 1,927,461.60, 2,891,192.40 and 579,832.20

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Solution

The fourth proportional to 1,927,461.60, 2,891,192.40 and 579,832.20 is: 869,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,461.60 : 2,891,192.40 = 579,832.20 : x
  2. Step 2: Convert to fraction form
    1,927,461.60/2,891,192.40 = 579,832.20/x
  3. Step 3: Cross multiply
    1,927,461.60x = 2,891,192.40 × 579,832.20
  4. Step 4: Simplify right side
    1,927,461.60x = 1,676,406,449,915.28
  5. Step 5: Solve for x
    x = 1,676,406,449,915.28/1,927,461.60
  6. Step 6: Final answer
    x = 869,748.30

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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.