Home / 1,048,205.40-1,572,308.10-1,038,874.20

Finding the Fourth Proportional to 1,048,205.40, 1,572,308.10 and 1,038,874.20

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Solution

The fourth proportional to 1,048,205.40, 1,572,308.10 and 1,038,874.20 is: 1,558,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,205.40 : 1,572,308.10 = 1,038,874.20 : x
  2. Step 2: Convert to fraction form
    1,048,205.40/1,572,308.10 = 1,038,874.20/x
  3. Step 3: Cross multiply
    1,048,205.40x = 1,572,308.10 × 1,038,874.20
  4. Step 4: Simplify right side
    1,048,205.40x = 1,633,430,319,541.02
  5. Step 5: Solve for x
    x = 1,633,430,319,541.02/1,048,205.40
  6. Step 6: Final answer
    x = 1,558,311.30

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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.