Home / 786,582.89-1,085,666.45-500,047.62

Finding the Fourth Proportional to 786,582.89, 1,085,666.45 and 500,047.62

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Solution

The fourth proportional to 786,582.89, 1,085,666.45 and 500,047.62 is: 690,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,582.89 : 1,085,666.45 = 500,047.62 : x
  2. Step 2: Convert to fraction form
    786,582.89/1,085,666.45 = 500,047.62/x
  3. Step 3: Cross multiply
    786,582.89x = 1,085,666.45 × 500,047.62
  4. Step 4: Simplify right side
    786,582.89x = 542,884,924,436.35
  5. Step 5: Solve for x
    x = 542,884,924,436.35/786,582.89
  6. Step 6: Final answer
    x = 690,181.46

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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.