Home / 905,587.87-1,249,741.23-497,704.18

Finding the Fourth Proportional to 905,587.87, 1,249,741.23 and 497,704.18

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Solution

The fourth proportional to 905,587.87, 1,249,741.23 and 497,704.18 is: 686,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,587.87 : 1,249,741.23 = 497,704.18 : x
  2. Step 2: Convert to fraction form
    905,587.87/1,249,741.23 = 497,704.18/x
  3. Step 3: Cross multiply
    905,587.87x = 1,249,741.23 × 497,704.18
  4. Step 4: Simplify right side
    905,587.87x = 622,001,434,089.34
  5. Step 5: Solve for x
    x = 622,001,434,089.34/905,587.87
  6. Step 6: Final answer
    x = 686,848.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.