Home / 1,685,802.90-2,528,704.35-487,764.30

Finding the Fourth Proportional to 1,685,802.90, 2,528,704.35 and 487,764.30

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Solution

The fourth proportional to 1,685,802.90, 2,528,704.35 and 487,764.30 is: 731,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,802.90 : 2,528,704.35 = 487,764.30 : x
  2. Step 2: Convert to fraction form
    1,685,802.90/2,528,704.35 = 487,764.30/x
  3. Step 3: Cross multiply
    1,685,802.90x = 2,528,704.35 × 487,764.30
  4. Step 4: Simplify right side
    1,685,802.90x = 1,233,411,707,184.71
  5. Step 5: Solve for x
    x = 1,233,411,707,184.71/1,685,802.90
  6. Step 6: Final answer
    x = 731,646.45

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Double scale
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Similar ratio
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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.