Home / 1,266,176.16-1,899,548.72-424,706.40

Finding the Fourth Proportional to 1,266,176.16, 1,899,548.72 and 424,706.40

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Solution

The fourth proportional to 1,266,176.16, 1,899,548.72 and 424,706.40 is: 637,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,176.16 : 1,899,548.72 = 424,706.40 : x
  2. Step 2: Convert to fraction form
    1,266,176.16/1,899,548.72 = 424,706.40/x
  3. Step 3: Cross multiply
    1,266,176.16x = 1,899,548.72 × 424,706.40
  4. Step 4: Simplify right side
    1,266,176.16x = 806,750,498,495.81
  5. Step 5: Solve for x
    x = 806,750,498,495.81/1,266,176.16
  6. Step 6: Final answer
    x = 637,155.02

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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.