Home / 699,553.96-1,045,347.59-525,309.58

Finding the Fourth Proportional to 699,553.96, 1,045,347.59 and 525,309.58

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Solution

The fourth proportional to 699,553.96, 1,045,347.59 and 525,309.58 is: 784,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,553.96 : 1,045,347.59 = 525,309.58 : x
  2. Step 2: Convert to fraction form
    699,553.96/1,045,347.59 = 525,309.58/x
  3. Step 3: Cross multiply
    699,553.96x = 1,045,347.59 × 525,309.58
  4. Step 4: Simplify right side
    699,553.96x = 549,131,103,456.91
  5. Step 5: Solve for x
    x = 549,131,103,456.91/699,553.96
  6. Step 6: Final answer
    x = 784,973.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.