Home / 1,277,926.16-1,916,169.96-424,541

Finding the Fourth Proportional to 1,277,926.16, 1,916,169.96 and 424,541

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Solution

The fourth proportional to 1,277,926.16, 1,916,169.96 and 424,541 is: 636,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,926.16 : 1,916,169.96 = 424,541 : x
  2. Step 2: Convert to fraction form
    1,277,926.16/1,916,169.96 = 424,541/x
  3. Step 3: Cross multiply
    1,277,926.16x = 1,916,169.96 × 424,541
  4. Step 4: Simplify right side
    1,277,926.16x = 813,492,710,988.36
  5. Step 5: Solve for x
    x = 813,492,710,988.36/1,277,926.16
  6. Step 6: Final answer
    x = 636,572.55

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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.