Home / 1,119,000.40-1,544,220.78-609,702.78

Finding the Fourth Proportional to 1,119,000.40, 1,544,220.78 and 609,702.78

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Solution

The fourth proportional to 1,119,000.40, 1,544,220.78 and 609,702.78 is: 841,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,000.40 : 1,544,220.78 = 609,702.78 : x
  2. Step 2: Convert to fraction form
    1,119,000.40/1,544,220.78 = 609,702.78/x
  3. Step 3: Cross multiply
    1,119,000.40x = 1,544,220.78 × 609,702.78
  4. Step 4: Simplify right side
    1,119,000.40x = 941,515,702,499.77
  5. Step 5: Solve for x
    x = 941,515,702,499.77/1,119,000.40
  6. Step 6: Final answer
    x = 841,389.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.