Home / 1,036,687.65-1,555,031.48-977,638.65

Finding the Fourth Proportional to 1,036,687.65, 1,555,031.48 and 977,638.65

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Solution

The fourth proportional to 1,036,687.65, 1,555,031.48 and 977,638.65 is: 1,466,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,687.65 : 1,555,031.48 = 977,638.65 : x
  2. Step 2: Convert to fraction form
    1,036,687.65/1,555,031.48 = 977,638.65/x
  3. Step 3: Cross multiply
    1,036,687.65x = 1,555,031.48 × 977,638.65
  4. Step 4: Simplify right side
    1,036,687.65x = 1,520,258,871,926.51
  5. Step 5: Solve for x
    x = 1,520,258,871,926.51/1,036,687.65
  6. Step 6: Final answer
    x = 1,466,457.98

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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.