Home / 1,070,413.65-1,477,239.12-707,200.34

Finding the Fourth Proportional to 1,070,413.65, 1,477,239.12 and 707,200.34

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Solution

The fourth proportional to 1,070,413.65, 1,477,239.12 and 707,200.34 is: 975,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,413.65 : 1,477,239.12 = 707,200.34 : x
  2. Step 2: Convert to fraction form
    1,070,413.65/1,477,239.12 = 707,200.34/x
  3. Step 3: Cross multiply
    1,070,413.65x = 1,477,239.12 × 707,200.34
  4. Step 4: Simplify right side
    1,070,413.65x = 1,044,704,000,539.11
  5. Step 5: Solve for x
    x = 1,044,704,000,539.11/1,070,413.65
  6. Step 6: Final answer
    x = 975,981.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.