Home / 1,235,095.40-1,852,815.90-525,117.80

Finding the Fourth Proportional to 1,235,095.40, 1,852,815.90 and 525,117.80

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Solution

The fourth proportional to 1,235,095.40, 1,852,815.90 and 525,117.80 is: 787,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,095.40 : 1,852,815.90 = 525,117.80 : x
  2. Step 2: Convert to fraction form
    1,235,095.40/1,852,815.90 = 525,117.80/x
  3. Step 3: Cross multiply
    1,235,095.40x = 1,852,815.90 × 525,117.80
  4. Step 4: Simplify right side
    1,235,095.40x = 972,946,609,213.02
  5. Step 5: Solve for x
    x = 972,946,609,213.02/1,235,095.40
  6. Step 6: Final answer
    x = 787,750.17

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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.