Home / 805,064.90-1,110,970.91-437,533.40

Finding the Fourth Proportional to 805,064.90, 1,110,970.91 and 437,533.40

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Solution

The fourth proportional to 805,064.90, 1,110,970.91 and 437,533.40 is: 603,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,064.90 : 1,110,970.91 = 437,533.40 : x
  2. Step 2: Convert to fraction form
    805,064.90/1,110,970.91 = 437,533.40/x
  3. Step 3: Cross multiply
    805,064.90x = 1,110,970.91 × 437,533.40
  4. Step 4: Simplify right side
    805,064.90x = 486,086,871,810.87
  5. Step 5: Solve for x
    x = 486,086,871,810.87/805,064.90
  6. Step 6: Final answer
    x = 603,785.95

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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.