Home / 1,047,644.30-1,570,429.65-514,729.10

Finding the Fourth Proportional to 1,047,644.30, 1,570,429.65 and 514,729.10

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Solution

The fourth proportional to 1,047,644.30, 1,570,429.65 and 514,729.10 is: 771,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,644.30 : 1,570,429.65 = 514,729.10 : x
  2. Step 2: Convert to fraction form
    1,047,644.30/1,570,429.65 = 514,729.10/x
  3. Step 3: Cross multiply
    1,047,644.30x = 1,570,429.65 × 514,729.10
  4. Step 4: Simplify right side
    1,047,644.30x = 808,345,840,357.82
  5. Step 5: Solve for x
    x = 808,345,840,357.82/1,047,644.30
  6. Step 6: Final answer
    x = 771,584.25

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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.