Home / 910,347.84-1,256,190.58-502,423.34

Finding the Fourth Proportional to 910,347.84, 1,256,190.58 and 502,423.34

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Solution

The fourth proportional to 910,347.84, 1,256,190.58 and 502,423.34 is: 693,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,347.84 : 1,256,190.58 = 502,423.34 : x
  2. Step 2: Convert to fraction form
    910,347.84/1,256,190.58 = 502,423.34/x
  3. Step 3: Cross multiply
    910,347.84x = 1,256,190.58 × 502,423.34
  4. Step 4: Simplify right side
    910,347.84x = 631,139,465,467.15
  5. Step 5: Solve for x
    x = 631,139,465,467.15/910,347.84
  6. Step 6: Final answer
    x = 693,294.85

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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.