Home / 829,693.10-1,241,587.20-575,782.40

Finding the Fourth Proportional to 829,693.10, 1,241,587.20 and 575,782.40

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Solution

The fourth proportional to 829,693.10, 1,241,587.20 and 575,782.40 is: 861,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,693.10 : 1,241,587.20 = 575,782.40 : x
  2. Step 2: Convert to fraction form
    829,693.10/1,241,587.20 = 575,782.40/x
  3. Step 3: Cross multiply
    829,693.10x = 1,241,587.20 × 575,782.40
  4. Step 4: Simplify right side
    829,693.10x = 714,884,057,825.28
  5. Step 5: Solve for x
    x = 714,884,057,825.28/829,693.10
  6. Step 6: Final answer
    x = 861,624.69

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Double scale
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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.