Home / 1,521,681.21-2,099,916.77-877,096.98

Finding the Fourth Proportional to 1,521,681.21, 2,099,916.77 and 877,096.98

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Solution

The fourth proportional to 1,521,681.21, 2,099,916.77 and 877,096.98 is: 1,210,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,681.21 : 2,099,916.77 = 877,096.98 : x
  2. Step 2: Convert to fraction form
    1,521,681.21/2,099,916.77 = 877,096.98/x
  3. Step 3: Cross multiply
    1,521,681.21x = 2,099,916.77 × 877,096.98
  4. Step 4: Simplify right side
    1,521,681.21x = 1,841,830,652,832.87
  5. Step 5: Solve for x
    x = 1,841,830,652,832.87/1,521,681.21
  6. Step 6: Final answer
    x = 1,210,391.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.