Home / 1,277,705.01-1,916,142.90-424,547.58

Finding the Fourth Proportional to 1,277,705.01, 1,916,142.90 and 424,547.58

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Solution

The fourth proportional to 1,277,705.01, 1,916,142.90 and 424,547.58 is: 636,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,705.01 : 1,916,142.90 = 424,547.58 : x
  2. Step 2: Convert to fraction form
    1,277,705.01/1,916,142.90 = 424,547.58/x
  3. Step 3: Cross multiply
    1,277,705.01x = 1,916,142.90 × 424,547.58
  4. Step 4: Simplify right side
    1,277,705.01x = 813,493,831,129.18
  5. Step 5: Solve for x
    x = 813,493,831,129.18/1,277,705.01
  6. Step 6: Final answer
    x = 636,683.60

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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.