Home / 1,051,569.60-1,577,354.40-653,438.40

Finding the Fourth Proportional to 1,051,569.60, 1,577,354.40 and 653,438.40

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Solution

The fourth proportional to 1,051,569.60, 1,577,354.40 and 653,438.40 is: 980,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,569.60 : 1,577,354.40 = 653,438.40 : x
  2. Step 2: Convert to fraction form
    1,051,569.60/1,577,354.40 = 653,438.40/x
  3. Step 3: Cross multiply
    1,051,569.60x = 1,577,354.40 × 653,438.40
  4. Step 4: Simplify right side
    1,051,569.60x = 1,030,703,935,368.96
  5. Step 5: Solve for x
    x = 1,030,703,935,368.96/1,051,569.60
  6. Step 6: Final answer
    x = 980,157.60

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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.