Home / 910,326.04-1,256,154.66-502,420.36

Finding the Fourth Proportional to 910,326.04, 1,256,154.66 and 502,420.36

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Solution

The fourth proportional to 910,326.04, 1,256,154.66 and 502,420.36 is: 693,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,326.04 : 1,256,154.66 = 502,420.36 : x
  2. Step 2: Convert to fraction form
    910,326.04/1,256,154.66 = 502,420.36/x
  3. Step 3: Cross multiply
    910,326.04x = 1,256,154.66 × 502,420.36
  4. Step 4: Simplify right side
    910,326.04x = 631,117,676,492.88
  5. Step 5: Solve for x
    x = 631,117,676,492.88/910,326.04
  6. Step 6: Final answer
    x = 693,287.51

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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.