Home / 1,064,781.45-1,596,220.22-390,706.34

Finding the Fourth Proportional to 1,064,781.45, 1,596,220.22 and 390,706.34

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Solution

The fourth proportional to 1,064,781.45, 1,596,220.22 and 390,706.34 is: 585,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,781.45 : 1,596,220.22 = 390,706.34 : x
  2. Step 2: Convert to fraction form
    1,064,781.45/1,596,220.22 = 390,706.34/x
  3. Step 3: Cross multiply
    1,064,781.45x = 1,596,220.22 × 390,706.34
  4. Step 4: Simplify right side
    1,064,781.45x = 623,653,352,985.86
  5. Step 5: Solve for x
    x = 623,653,352,985.86/1,064,781.45
  6. Step 6: Final answer
    x = 585,710.20

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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.