Home / 1,017,000.70-1,525,501.05-618,423.10

Finding the Fourth Proportional to 1,017,000.70, 1,525,501.05 and 618,423.10

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Solution

The fourth proportional to 1,017,000.70, 1,525,501.05 and 618,423.10 is: 927,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,000.70 : 1,525,501.05 = 618,423.10 : x
  2. Step 2: Convert to fraction form
    1,017,000.70/1,525,501.05 = 618,423.10/x
  3. Step 3: Cross multiply
    1,017,000.70x = 1,525,501.05 × 618,423.10
  4. Step 4: Simplify right side
    1,017,000.70x = 943,405,088,394.26
  5. Step 5: Solve for x
    x = 943,405,088,394.26/1,017,000.70
  6. Step 6: Final answer
    x = 927,634.65

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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.