Home / 514,197.18-709,507.76-323,075.25

Finding the Fourth Proportional to 514,197.18, 709,507.76 and 323,075.25

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Solution

The fourth proportional to 514,197.18, 709,507.76 and 323,075.25 is: 445,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,197.18 : 709,507.76 = 323,075.25 : x
  2. Step 2: Convert to fraction form
    514,197.18/709,507.76 = 323,075.25/x
  3. Step 3: Cross multiply
    514,197.18x = 709,507.76 × 323,075.25
  4. Step 4: Simplify right side
    514,197.18x = 229,224,395,323.56
  5. Step 5: Solve for x
    x = 229,224,395,323.56/514,197.18
  6. Step 6: Final answer
    x = 445,790.84

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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.