Home / 904,316.15-1,247,909.73-536,808.71

Finding the Fourth Proportional to 904,316.15, 1,247,909.73 and 536,808.71

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Solution

The fourth proportional to 904,316.15, 1,247,909.73 and 536,808.71 is: 740,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,316.15 : 1,247,909.73 = 536,808.71 : x
  2. Step 2: Convert to fraction form
    904,316.15/1,247,909.73 = 536,808.71/x
  3. Step 3: Cross multiply
    904,316.15x = 1,247,909.73 × 536,808.71
  4. Step 4: Simplify right side
    904,316.15x = 669,888,812,357.75
  5. Step 5: Solve for x
    x = 669,888,812,357.75/904,316.15
  6. Step 6: Final answer
    x = 740,768.38

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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.