Home / 1,225,621.76-1,838,727.95-384,173.51

Finding the Fourth Proportional to 1,225,621.76, 1,838,727.95 and 384,173.51

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Solution

The fourth proportional to 1,225,621.76, 1,838,727.95 and 384,173.51 is: 576,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,621.76 : 1,838,727.95 = 384,173.51 : x
  2. Step 2: Convert to fraction form
    1,225,621.76/1,838,727.95 = 384,173.51/x
  3. Step 3: Cross multiply
    1,225,621.76x = 1,838,727.95 × 384,173.51
  4. Step 4: Simplify right side
    1,225,621.76x = 706,390,559,372.10
  5. Step 5: Solve for x
    x = 706,390,559,372.10/1,225,621.76
  6. Step 6: Final answer
    x = 576,352.82

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1.5x scale

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.