Home / 916,547.04-1,374,637.68-309,276

Finding the Fourth Proportional to 916,547.04, 1,374,637.68 and 309,276

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Solution

The fourth proportional to 916,547.04, 1,374,637.68 and 309,276 is: 463,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,547.04 : 1,374,637.68 = 309,276 : x
  2. Step 2: Convert to fraction form
    916,547.04/1,374,637.68 = 309,276/x
  3. Step 3: Cross multiply
    916,547.04x = 1,374,637.68 × 309,276
  4. Step 4: Simplify right side
    916,547.04x = 425,142,443,119.68
  5. Step 5: Solve for x
    x = 425,142,443,119.68/916,547.04
  6. Step 6: Final answer
    x = 463,852.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.