Home / 1,018,889.10-1,528,333.65-459,017.10

Finding the Fourth Proportional to 1,018,889.10, 1,528,333.65 and 459,017.10

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Solution

The fourth proportional to 1,018,889.10, 1,528,333.65 and 459,017.10 is: 688,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,889.10 : 1,528,333.65 = 459,017.10 : x
  2. Step 2: Convert to fraction form
    1,018,889.10/1,528,333.65 = 459,017.10/x
  3. Step 3: Cross multiply
    1,018,889.10x = 1,528,333.65 × 459,017.10
  4. Step 4: Simplify right side
    1,018,889.10x = 701,531,279,855.42
  5. Step 5: Solve for x
    x = 701,531,279,855.42/1,018,889.10
  6. Step 6: Final answer
    x = 688,525.65

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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.