Home / 699,538.68-1,045,324.85-525,294.32

Finding the Fourth Proportional to 699,538.68, 1,045,324.85 and 525,294.32

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Solution

The fourth proportional to 699,538.68, 1,045,324.85 and 525,294.32 is: 784,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,538.68 : 1,045,324.85 = 525,294.32 : x
  2. Step 2: Convert to fraction form
    699,538.68/1,045,324.85 = 525,294.32/x
  3. Step 3: Cross multiply
    699,538.68x = 1,045,324.85 × 525,294.32
  4. Step 4: Simplify right side
    699,538.68x = 549,103,198,406.76
  5. Step 5: Solve for x
    x = 549,103,198,406.76/699,538.68
  6. Step 6: Final answer
    x = 784,950.45

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Double scale
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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.