Home / 899,081.03-1,240,756.21-536,715.29

Finding the Fourth Proportional to 899,081.03, 1,240,756.21 and 536,715.29

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Solution

The fourth proportional to 899,081.03, 1,240,756.21 and 536,715.29 is: 740,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,081.03 : 1,240,756.21 = 536,715.29 : x
  2. Step 2: Convert to fraction form
    899,081.03/1,240,756.21 = 536,715.29/x
  3. Step 3: Cross multiply
    899,081.03x = 1,240,756.21 × 536,715.29
  4. Step 4: Simplify right side
    899,081.03x = 665,932,829,069.45
  5. Step 5: Solve for x
    x = 665,932,829,069.45/899,081.03
  6. Step 6: Final answer
    x = 740,681.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.