Home / 470,420.24-702,075.36-425,019.52

Finding the Fourth Proportional to 470,420.24, 702,075.36 and 425,019.52

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Solution

The fourth proportional to 470,420.24, 702,075.36 and 425,019.52 is: 634,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,420.24 : 702,075.36 = 425,019.52 : x
  2. Step 2: Convert to fraction form
    470,420.24/702,075.36 = 425,019.52/x
  3. Step 3: Cross multiply
    470,420.24x = 702,075.36 × 425,019.52
  4. Step 4: Simplify right side
    470,420.24x = 298,395,732,511.03
  5. Step 5: Solve for x
    x = 298,395,732,511.03/470,420.24
  6. Step 6: Final answer
    x = 634,317.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.