Home / 1,064,612.40-1,596,918.60-433,978.80

Finding the Fourth Proportional to 1,064,612.40, 1,596,918.60 and 433,978.80

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Solution

The fourth proportional to 1,064,612.40, 1,596,918.60 and 433,978.80 is: 650,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,612.40 : 1,596,918.60 = 433,978.80 : x
  2. Step 2: Convert to fraction form
    1,064,612.40/1,596,918.60 = 433,978.80/x
  3. Step 3: Cross multiply
    1,064,612.40x = 1,596,918.60 × 433,978.80
  4. Step 4: Simplify right side
    1,064,612.40x = 693,028,817,725.68
  5. Step 5: Solve for x
    x = 693,028,817,725.68/1,064,612.40
  6. Step 6: Final answer
    x = 650,968.20

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Double scale
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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.