Home / 707,543.60-1,061,315.40-471,347.60

Finding the Fourth Proportional to 707,543.60, 1,061,315.40 and 471,347.60

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Solution

The fourth proportional to 707,543.60, 1,061,315.40 and 471,347.60 is: 707,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,543.60 : 1,061,315.40 = 471,347.60 : x
  2. Step 2: Convert to fraction form
    707,543.60/1,061,315.40 = 471,347.60/x
  3. Step 3: Cross multiply
    707,543.60x = 1,061,315.40 × 471,347.60
  4. Step 4: Simplify right side
    707,543.60x = 500,248,466,633.04
  5. Step 5: Solve for x
    x = 500,248,466,633.04/707,543.60
  6. Step 6: Final answer
    x = 707,021.40

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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.