Home / 623,387.51-859,875.86-432,331.19

Finding the Fourth Proportional to 623,387.51, 859,875.86 and 432,331.19

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Solution

The fourth proportional to 623,387.51, 859,875.86 and 432,331.19 is: 596,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,387.51 : 859,875.86 = 432,331.19 : x
  2. Step 2: Convert to fraction form
    623,387.51/859,875.86 = 432,331.19/x
  3. Step 3: Cross multiply
    623,387.51x = 859,875.86 × 432,331.19
  4. Step 4: Simplify right side
    623,387.51x = 371,751,151,644.42
  5. Step 5: Solve for x
    x = 371,751,151,644.42/623,387.51
  6. Step 6: Final answer
    x = 596,340.39

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Half scale
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Double scale
Find fourth proportional to 623,388.51, 859,877.23 and 432,332.19
Similar ratio
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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.