Home / 916,172.65-1,264,352.04-553,526.44

Finding the Fourth Proportional to 916,172.65, 1,264,352.04 and 553,526.44

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Solution

The fourth proportional to 916,172.65, 1,264,352.04 and 553,526.44 is: 763,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,172.65 : 1,264,352.04 = 553,526.44 : x
  2. Step 2: Convert to fraction form
    916,172.65/1,264,352.04 = 553,526.44/x
  3. Step 3: Cross multiply
    916,172.65x = 1,264,352.04 × 553,526.44
  4. Step 4: Simplify right side
    916,172.65x = 699,852,280,840.31
  5. Step 5: Solve for x
    x = 699,852,280,840.31/916,172.65
  6. Step 6: Final answer
    x = 763,886.90

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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.