Home / 786,424.32-1,085,252.46-437,551.26

Finding the Fourth Proportional to 786,424.32, 1,085,252.46 and 437,551.26

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Solution

The fourth proportional to 786,424.32, 1,085,252.46 and 437,551.26 is: 603,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,424.32 : 1,085,252.46 = 437,551.26 : x
  2. Step 2: Convert to fraction form
    786,424.32/1,085,252.46 = 437,551.26/x
  3. Step 3: Cross multiply
    786,424.32x = 1,085,252.46 × 437,551.26
  4. Step 4: Simplify right side
    786,424.32x = 474,853,581,291.10
  5. Step 5: Solve for x
    x = 474,853,581,291.10/786,424.32
  6. Step 6: Final answer
    x = 603,813.45

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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.