Home / 1,078,421.70-1,618,669.35-546,543.30

Finding the Fourth Proportional to 1,078,421.70, 1,618,669.35 and 546,543.30

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Solution

The fourth proportional to 1,078,421.70, 1,618,669.35 and 546,543.30 is: 820,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,421.70 : 1,618,669.35 = 546,543.30 : x
  2. Step 2: Convert to fraction form
    1,078,421.70/1,618,669.35 = 546,543.30/x
  3. Step 3: Cross multiply
    1,078,421.70x = 1,618,669.35 × 546,543.30
  4. Step 4: Simplify right side
    1,078,421.70x = 884,672,888,157.86
  5. Step 5: Solve for x
    x = 884,672,888,157.86/1,078,421.70
  6. Step 6: Final answer
    x = 820,340.40

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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.