Home / 916,065.60-1,264,178.10-508,194.18

Finding the Fourth Proportional to 916,065.60, 1,264,178.10 and 508,194.18

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Solution

The fourth proportional to 916,065.60, 1,264,178.10 and 508,194.18 is: 701,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,065.60 : 1,264,178.10 = 508,194.18 : x
  2. Step 2: Convert to fraction form
    916,065.60/1,264,178.10 = 508,194.18/x
  3. Step 3: Cross multiply
    916,065.60x = 1,264,178.10 × 508,194.18
  4. Step 4: Simplify right side
    916,065.60x = 642,447,952,903.46
  5. Step 5: Solve for x
    x = 642,447,952,903.46/916,065.60
  6. Step 6: Final answer
    x = 701,312.17

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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.