Home / 623,386.51-859,874.48-432,330.19

Finding the Fourth Proportional to 623,386.51, 859,874.48 and 432,330.19

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Solution

The fourth proportional to 623,386.51, 859,874.48 and 432,330.19 is: 596,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,386.51 : 859,874.48 = 432,330.19 : x
  2. Step 2: Convert to fraction form
    623,386.51/859,874.48 = 432,330.19/x
  3. Step 3: Cross multiply
    623,386.51x = 859,874.48 × 432,330.19
  4. Step 4: Simplify right side
    623,386.51x = 371,749,695,152.90
  5. Step 5: Solve for x
    x = 371,749,695,152.90/623,386.51
  6. Step 6: Final answer
    x = 596,339.01

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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.