Home / 936,000.99-1,291,570.29-528,079.01

Finding the Fourth Proportional to 936,000.99, 1,291,570.29 and 528,079.01

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Solution

The fourth proportional to 936,000.99, 1,291,570.29 and 528,079.01 is: 728,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,000.99 : 1,291,570.29 = 528,079.01 : x
  2. Step 2: Convert to fraction form
    936,000.99/1,291,570.29 = 528,079.01/x
  3. Step 3: Cross multiply
    936,000.99x = 1,291,570.29 × 528,079.01
  4. Step 4: Simplify right side
    936,000.99x = 682,051,153,630.76
  5. Step 5: Solve for x
    x = 682,051,153,630.76/936,000.99
  6. Step 6: Final answer
    x = 728,686.36

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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.