Home / 1,384,140.30-2,076,210.45-373,260.30

Finding the Fourth Proportional to 1,384,140.30, 2,076,210.45 and 373,260.30

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Solution

The fourth proportional to 1,384,140.30, 2,076,210.45 and 373,260.30 is: 559,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,140.30 : 2,076,210.45 = 373,260.30 : x
  2. Step 2: Convert to fraction form
    1,384,140.30/2,076,210.45 = 373,260.30/x
  3. Step 3: Cross multiply
    1,384,140.30x = 2,076,210.45 × 373,260.30
  4. Step 4: Simplify right side
    1,384,140.30x = 774,966,935,430.14
  5. Step 5: Solve for x
    x = 774,966,935,430.14/1,384,140.30
  6. Step 6: Final answer
    x = 559,890.45

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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.