Home / 1,091,772.06-1,637,658.09-426,457.50

Finding the Fourth Proportional to 1,091,772.06, 1,637,658.09 and 426,457.50

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Solution

The fourth proportional to 1,091,772.06, 1,637,658.09 and 426,457.50 is: 639,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,772.06 : 1,637,658.09 = 426,457.50 : x
  2. Step 2: Convert to fraction form
    1,091,772.06/1,637,658.09 = 426,457.50/x
  3. Step 3: Cross multiply
    1,091,772.06x = 1,637,658.09 × 426,457.50
  4. Step 4: Simplify right side
    1,091,772.06x = 698,391,574,916.18
  5. Step 5: Solve for x
    x = 698,391,574,916.18/1,091,772.06
  6. Step 6: Final answer
    x = 639,686.25

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Double scale
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Similar ratio
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1.5x scale

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.