Home / 904,014.67-1,247,457.78-536,428.46

Finding the Fourth Proportional to 904,014.67, 1,247,457.78 and 536,428.46

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Solution

The fourth proportional to 904,014.67, 1,247,457.78 and 536,428.46 is: 740,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,014.67 : 1,247,457.78 = 536,428.46 : x
  2. Step 2: Convert to fraction form
    904,014.67/1,247,457.78 = 536,428.46/x
  3. Step 3: Cross multiply
    904,014.67x = 1,247,457.78 × 536,428.46
  4. Step 4: Simplify right side
    904,014.67x = 669,171,849,603.13
  5. Step 5: Solve for x
    x = 669,171,849,603.13/904,014.67
  6. Step 6: Final answer
    x = 740,222.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.