Home / 1,487,285.86-2,230,981.72-476,276.46

Finding the Fourth Proportional to 1,487,285.86, 2,230,981.72 and 476,276.46

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Solution

The fourth proportional to 1,487,285.86, 2,230,981.72 and 476,276.46 is: 714,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,285.86 : 2,230,981.72 = 476,276.46 : x
  2. Step 2: Convert to fraction form
    1,487,285.86/2,230,981.72 = 476,276.46/x
  3. Step 3: Cross multiply
    1,487,285.86x = 2,230,981.72 × 476,276.46
  4. Step 4: Simplify right side
    1,487,285.86x = 1,062,564,075,926.31
  5. Step 5: Solve for x
    x = 1,062,564,075,926.31/1,487,285.86
  6. Step 6: Final answer
    x = 714,431.64

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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.