Home / 530,362.48-795,543.78-436,671.40

Finding the Fourth Proportional to 530,362.48, 795,543.78 and 436,671.40

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Solution

The fourth proportional to 530,362.48, 795,543.78 and 436,671.40 is: 655,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,362.48 : 795,543.78 = 436,671.40 : x
  2. Step 2: Convert to fraction form
    530,362.48/795,543.78 = 436,671.40/x
  3. Step 3: Cross multiply
    530,362.48x = 795,543.78 × 436,671.40
  4. Step 4: Simplify right side
    530,362.48x = 347,391,216,173.89
  5. Step 5: Solve for x
    x = 347,391,216,173.89/530,362.48
  6. Step 6: Final answer
    x = 655,007.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.