Home / 1,105,120.41-1,657,681.05-497,198.87

Finding the Fourth Proportional to 1,105,120.41, 1,657,681.05 and 497,198.87

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Solution

The fourth proportional to 1,105,120.41, 1,657,681.05 and 497,198.87 is: 745,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,120.41 : 1,657,681.05 = 497,198.87 : x
  2. Step 2: Convert to fraction form
    1,105,120.41/1,657,681.05 = 497,198.87/x
  3. Step 3: Cross multiply
    1,105,120.41x = 1,657,681.05 × 497,198.87
  4. Step 4: Simplify right side
    1,105,120.41x = 824,197,136,592.01
  5. Step 5: Solve for x
    x = 824,197,136,592.01/1,105,120.41
  6. Step 6: Final answer
    x = 745,798.49

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Double scale
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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.