Home / 916,275.09-1,264,575.34-602,212.32

Finding the Fourth Proportional to 916,275.09, 1,264,575.34 and 602,212.32

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Solution

The fourth proportional to 916,275.09, 1,264,575.34 and 602,212.32 is: 831,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,275.09 : 1,264,575.34 = 602,212.32 : x
  2. Step 2: Convert to fraction form
    916,275.09/1,264,575.34 = 602,212.32/x
  3. Step 3: Cross multiply
    916,275.09x = 1,264,575.34 × 602,212.32
  4. Step 4: Simplify right side
    916,275.09x = 761,542,850,068.95
  5. Step 5: Solve for x
    x = 761,542,850,068.95/916,275.09
  6. Step 6: Final answer
    x = 831,129.06

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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.