Home / 885,094.65-1,221,417.45-497,880.81

Finding the Fourth Proportional to 885,094.65, 1,221,417.45 and 497,880.81

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Solution

The fourth proportional to 885,094.65, 1,221,417.45 and 497,880.81 is: 687,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,094.65 : 1,221,417.45 = 497,880.81 : x
  2. Step 2: Convert to fraction form
    885,094.65/1,221,417.45 = 497,880.81/x
  3. Step 3: Cross multiply
    885,094.65x = 1,221,417.45 × 497,880.81
  4. Step 4: Simplify right side
    885,094.65x = 608,120,309,354.14
  5. Step 5: Solve for x
    x = 608,120,309,354.14/885,094.65
  6. Step 6: Final answer
    x = 687,068.11

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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.