Home / 869,803.08-1,200,341.61-525,590.88

Finding the Fourth Proportional to 869,803.08, 1,200,341.61 and 525,590.88

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Solution

The fourth proportional to 869,803.08, 1,200,341.61 and 525,590.88 is: 725,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,803.08 : 1,200,341.61 = 525,590.88 : x
  2. Step 2: Convert to fraction form
    869,803.08/1,200,341.61 = 525,590.88/x
  3. Step 3: Cross multiply
    869,803.08x = 1,200,341.61 × 525,590.88
  4. Step 4: Simplify right side
    869,803.08x = 630,888,603,100.52
  5. Step 5: Solve for x
    x = 630,888,603,100.52/869,803.08
  6. Step 6: Final answer
    x = 725,323.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.