Home / 617,582.80-926,417.40-243,557.20

Finding the Fourth Proportional to 617,582.80, 926,417.40 and 243,557.20

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Solution

The fourth proportional to 617,582.80, 926,417.40 and 243,557.20 is: 365,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,582.80 : 926,417.40 = 243,557.20 : x
  2. Step 2: Convert to fraction form
    617,582.80/926,417.40 = 243,557.20/x
  3. Step 3: Cross multiply
    617,582.80x = 926,417.40 × 243,557.20
  4. Step 4: Simplify right side
    617,582.80x = 225,635,627,975.28
  5. Step 5: Solve for x
    x = 225,635,627,975.28/617,582.80
  6. Step 6: Final answer
    x = 365,352.84

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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.