Home / 923,999.90-1,385,999.85-525,868.70

Finding the Fourth Proportional to 923,999.90, 1,385,999.85 and 525,868.70

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Solution

The fourth proportional to 923,999.90, 1,385,999.85 and 525,868.70 is: 788,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,999.90 : 1,385,999.85 = 525,868.70 : x
  2. Step 2: Convert to fraction form
    923,999.90/1,385,999.85 = 525,868.70/x
  3. Step 3: Cross multiply
    923,999.90x = 1,385,999.85 × 525,868.70
  4. Step 4: Simplify right side
    923,999.90x = 728,853,939,319.70
  5. Step 5: Solve for x
    x = 728,853,939,319.70/923,999.90
  6. Step 6: Final answer
    x = 788,803.05

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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.