Home / 528,069.90-791,521.65-291,582.30

Finding the Fourth Proportional to 528,069.90, 791,521.65 and 291,582.30

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Solution

The fourth proportional to 528,069.90, 791,521.65 and 291,582.30 is: 437,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,069.90 : 791,521.65 = 291,582.30 : x
  2. Step 2: Convert to fraction form
    528,069.90/791,521.65 = 291,582.30/x
  3. Step 3: Cross multiply
    528,069.90x = 791,521.65 × 291,582.30
  4. Step 4: Simplify right side
    528,069.90x = 230,793,703,206.80
  5. Step 5: Solve for x
    x = 230,793,703,206.80/528,069.90
  6. Step 6: Final answer
    x = 437,051.43

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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.