Home / 1,047,642.80-1,570,427.40-514,727.60

Finding the Fourth Proportional to 1,047,642.80, 1,570,427.40 and 514,727.60

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Solution

The fourth proportional to 1,047,642.80, 1,570,427.40 and 514,727.60 is: 771,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,642.80 : 1,570,427.40 = 514,727.60 : x
  2. Step 2: Convert to fraction form
    1,047,642.80/1,570,427.40 = 514,727.60/x
  3. Step 3: Cross multiply
    1,047,642.80x = 1,570,427.40 × 514,727.60
  4. Step 4: Simplify right side
    1,047,642.80x = 808,342,326,576.24
  5. Step 5: Solve for x
    x = 808,342,326,576.24/1,047,642.80
  6. Step 6: Final answer
    x = 771,582.00

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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.