Home / 851,678.98-1,175,710.56-525,050.36

Finding the Fourth Proportional to 851,678.98, 1,175,710.56 and 525,050.36

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Solution

The fourth proportional to 851,678.98, 1,175,710.56 and 525,050.36 is: 724,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,678.98 : 1,175,710.56 = 525,050.36 : x
  2. Step 2: Convert to fraction form
    851,678.98/1,175,710.56 = 525,050.36/x
  3. Step 3: Cross multiply
    851,678.98x = 1,175,710.56 × 525,050.36
  4. Step 4: Simplify right side
    851,678.98x = 617,307,250,158.55
  5. Step 5: Solve for x
    x = 617,307,250,158.55/851,678.98
  6. Step 6: Final answer
    x = 724,812.12

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1.5x scale

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.