Home / 745,210.53-1,028,525.14-439,269.28

Finding the Fourth Proportional to 745,210.53, 1,028,525.14 and 439,269.28

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Solution

The fourth proportional to 745,210.53, 1,028,525.14 and 439,269.28 is: 606,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,210.53 : 1,028,525.14 = 439,269.28 : x
  2. Step 2: Convert to fraction form
    745,210.53/1,028,525.14 = 439,269.28/x
  3. Step 3: Cross multiply
    745,210.53x = 1,028,525.14 × 439,269.28
  4. Step 4: Simplify right side
    745,210.53x = 451,799,495,687.47
  5. Step 5: Solve for x
    x = 451,799,495,687.47/745,210.53
  6. Step 6: Final answer
    x = 606,270.95

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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.