Home / 750,307.59-1,035,523.08-427,943.79

Finding the Fourth Proportional to 750,307.59, 1,035,523.08 and 427,943.79

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Solution

The fourth proportional to 750,307.59, 1,035,523.08 and 427,943.79 is: 590,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,307.59 : 1,035,523.08 = 427,943.79 : x
  2. Step 2: Convert to fraction form
    750,307.59/1,035,523.08 = 427,943.79/x
  3. Step 3: Cross multiply
    750,307.59x = 1,035,523.08 × 427,943.79
  4. Step 4: Simplify right side
    750,307.59x = 443,145,671,487.67
  5. Step 5: Solve for x
    x = 443,145,671,487.67/750,307.59
  6. Step 6: Final answer
    x = 590,618.67

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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.