Home / 525,971.10-788,956.65-441,990.30

Finding the Fourth Proportional to 525,971.10, 788,956.65 and 441,990.30

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Solution

The fourth proportional to 525,971.10, 788,956.65 and 441,990.30 is: 662,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,971.10 : 788,956.65 = 441,990.30 : x
  2. Step 2: Convert to fraction form
    525,971.10/788,956.65 = 441,990.30/x
  3. Step 3: Cross multiply
    525,971.10x = 788,956.65 × 441,990.30
  4. Step 4: Simplify right side
    525,971.10x = 348,711,186,420.50
  5. Step 5: Solve for x
    x = 348,711,186,420.50/525,971.10
  6. Step 6: Final answer
    x = 662,985.45

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Half scale
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Double scale
Find fourth proportional to 525,972.10, 788,958.15 and 441,991.30
Similar ratio
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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.