Home / 781,533.81-1,078,574.60-437,404.23

Finding the Fourth Proportional to 781,533.81, 1,078,574.60 and 437,404.23

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Solution

The fourth proportional to 781,533.81, 1,078,574.60 and 437,404.23 is: 603,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,533.81 : 1,078,574.60 = 437,404.23 : x
  2. Step 2: Convert to fraction form
    781,533.81/1,078,574.60 = 437,404.23/x
  3. Step 3: Cross multiply
    781,533.81x = 1,078,574.60 × 437,404.23
  4. Step 4: Simplify right side
    781,533.81x = 471,773,090,223.54
  5. Step 5: Solve for x
    x = 471,773,090,223.54/781,533.81
  6. Step 6: Final answer
    x = 603,650.26

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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.