Home / 903,710.16-1,247,269.32-501,431.76

Finding the Fourth Proportional to 903,710.16, 1,247,269.32 and 501,431.76

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Solution

The fourth proportional to 903,710.16, 1,247,269.32 and 501,431.76 is: 692,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,710.16 : 1,247,269.32 = 501,431.76 : x
  2. Step 2: Convert to fraction form
    903,710.16/1,247,269.32 = 501,431.76/x
  3. Step 3: Cross multiply
    903,710.16x = 1,247,269.32 × 501,431.76
  4. Step 4: Simplify right side
    903,710.16x = 625,420,450,321.60
  5. Step 5: Solve for x
    x = 625,420,450,321.60/903,710.16
  6. Step 6: Final answer
    x = 692,058.67

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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.