Home / 688,573.40-1,032,860.10-183,133.40

Finding the Fourth Proportional to 688,573.40, 1,032,860.10 and 183,133.40

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Solution

The fourth proportional to 688,573.40, 1,032,860.10 and 183,133.40 is: 274,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,573.40 : 1,032,860.10 = 183,133.40 : x
  2. Step 2: Convert to fraction form
    688,573.40/1,032,860.10 = 183,133.40/x
  3. Step 3: Cross multiply
    688,573.40x = 1,032,860.10 × 183,133.40
  4. Step 4: Simplify right side
    688,573.40x = 189,151,181,837.34
  5. Step 5: Solve for x
    x = 189,151,181,837.34/688,573.40
  6. Step 6: Final answer
    x = 274,700.10

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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.