Home / 1,047,644.80-1,570,430.40-514,729.60

Finding the Fourth Proportional to 1,047,644.80, 1,570,430.40 and 514,729.60

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Solution

The fourth proportional to 1,047,644.80, 1,570,430.40 and 514,729.60 is: 771,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,644.80 : 1,570,430.40 = 514,729.60 : x
  2. Step 2: Convert to fraction form
    1,047,644.80/1,570,430.40 = 514,729.60/x
  3. Step 3: Cross multiply
    1,047,644.80x = 1,570,430.40 × 514,729.60
  4. Step 4: Simplify right side
    1,047,644.80x = 808,347,011,619.84
  5. Step 5: Solve for x
    x = 808,347,011,619.84/1,047,644.80
  6. Step 6: Final answer
    x = 771,585.00

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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.