Home / 910,265.85-1,255,644.59-528,243.93

Finding the Fourth Proportional to 910,265.85, 1,255,644.59 and 528,243.93

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Solution

The fourth proportional to 910,265.85, 1,255,644.59 and 528,243.93 is: 728,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,265.85 : 1,255,644.59 = 528,243.93 : x
  2. Step 2: Convert to fraction form
    910,265.85/1,255,644.59 = 528,243.93/x
  3. Step 3: Cross multiply
    910,265.85x = 1,255,644.59 × 528,243.93
  4. Step 4: Simplify right side
    910,265.85x = 663,286,630,263.62
  5. Step 5: Solve for x
    x = 663,286,630,263.62/910,265.85
  6. Step 6: Final answer
    x = 728,673.53

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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.