Home / 916,192.75-1,264,203.40-523,720.10

Finding the Fourth Proportional to 916,192.75, 1,264,203.40 and 523,720.10

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Solution

The fourth proportional to 916,192.75, 1,264,203.40 and 523,720.10 is: 722,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,192.75 : 1,264,203.40 = 523,720.10 : x
  2. Step 2: Convert to fraction form
    916,192.75/1,264,203.40 = 523,720.10/x
  3. Step 3: Cross multiply
    916,192.75x = 1,264,203.40 × 523,720.10
  4. Step 4: Simplify right side
    916,192.75x = 662,088,731,068.34
  5. Step 5: Solve for x
    x = 662,088,731,068.34/916,192.75
  6. Step 6: Final answer
    x = 722,652.23

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Double scale
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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.