Home / 1,551,569.40-2,327,354.10-429,638.40

Finding the Fourth Proportional to 1,551,569.40, 2,327,354.10 and 429,638.40

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Solution

The fourth proportional to 1,551,569.40, 2,327,354.10 and 429,638.40 is: 644,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,569.40 : 2,327,354.10 = 429,638.40 : x
  2. Step 2: Convert to fraction form
    1,551,569.40/2,327,354.10 = 429,638.40/x
  3. Step 3: Cross multiply
    1,551,569.40x = 2,327,354.10 × 429,638.40
  4. Step 4: Simplify right side
    1,551,569.40x = 999,920,691,757.44
  5. Step 5: Solve for x
    x = 999,920,691,757.44/1,551,569.40
  6. Step 6: Final answer
    x = 644,457.60

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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.